Answers
Answer:
spores
Explanation:
use the right answer from the options if you can't find the exact answer
Related Questions
4. When plates slide against each other as seen on the San Andreas fault,many__________ are known to occur.
5. The type of boundary is called ________
You gotta fill the blank
Answers
Plate boundary is the type of boundary which occurs when plates slide against each other as seen on the San Andreas fault in which many earthquakes are known to occur.
What is an Earthquake?This is characterized by the ground shaking as a result of movement in the Earth crust.
Plate boundary is responsible for Earthquakes on San Andreas fault thereby making it the most appropriate choice.
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Select any true statements regarding conifers and forests. Check All That Apply Most conifer seeds can survive subzero temperatures but will be destroyed by very high temperatures. Most conifer seeds can survive subzero temperatures but will be destroyed by very high temperatures. Reforestation of a conifer forest after a wildfire can take many decades because new conifer seeds have to be brought from other areas by animals or wind.Reforestation of a conifer forest after a wildfire can take many decades because new conifer seeds have to be brought from other areas by animals or wind. Three years after a wildfire, a conifer forest will have many seedlings of the same age. Three years after a wildfire, a conifer forest will have many seedlings of the same age. Some species of conifer require fire before fertilization of their seeds can take place. Some species of conifer require fire before fertilization of their seeds can take place.
Answers
Answer:
The following are true statements regarding to conifers and forests:
O. Most conifer seeds can survive subzero temperatures but will be destroyed by very high temperatures.
O. Reforestation of a conifer forest after a wildfire can take many decades because new conifer seeds have to be brought from other areas by animals or wind.
O. Some species of conifer require fire before fertilization of their seeds can take place.
Explanation:
The true statements regarding conifers and forests include the following:
Most conifer seeds can survive subzero temperatures but will be destroyed by very high temperatures- Most conifers when exposed to heat become destroyed as their viability becomes greatly reduced but can survive very low temperatures as it doesn't affect their viability.Reforestation of a conifer forest after a wildfire can take many decades because new conifer seeds have to be brought from other areas by animals or wind- This is true as most conifers method of dispersal are through wind, animals, water etc.Some species of conifer require fire before fertilization of their seeds can take place- Species such as Lodgepole pine and Banksia require fire for fertilization as their cones or fruits that are completely sealed with resin.Read more on https://brainly.com/question/10725466
Do seeds need soil to grow
Answers
Answer:
they need water, sunlight, soil and neutrition
Explanation:
the temperature of water was measured at different depths of a lake
ind. variable
dep. variable
Answers
Answer:
depend variable
Explanation:
hope it helps you
1. Over time, the climate of an island became drier, which resulted in changes to the populations of various island finch species. Finch populations with a certain beak shape thrived, while those not having that beak shape decreased, Which of the following describes a necessary condition for thesechanges in the finch populations to occur?
Answers
Answer:
A necessary condition for the changes in the finch populations to occur in response to the drier climate would be:
- Variation in beak shape within the initial population: There must have been existing genetic variation in the population of finches regarding beak shape. Some finches would have had the beak shape that provided an advantage in obtaining food resources in the drier climate, while others would have had different beak shapes.
Without this initial variation in beak shape, there would be no opportunity for natural selection to act and favor individuals with the advantageous beak shape. Therefore, the presence of genetic variation within the population is necessary for the changes in the finch populations to occur.
Based on the theory of natural selection, the necessary condition for the changes in the finch populations to occur is limited food resources. Option B
What does natural selection say?Natural selection is the process by which populations of living organisms adapt and change over time.
Natural selection occurs when there is variation within a population of a species, and some individuals are better able to survive and reproduce than others.
These individuals are more likely to pass on their genes to the next generation, and the population will gradually change over time.
The above answer is based on the full question below;
Over time, the climate of an island became drier, which resulted in changes to the populations of various island finch species. Finch populations with a certain beak shape thrived, while those not having that beak shape decreased, Which of the following describes a necessary condition for these changes in the finch populations to occur?
A. fewer mutations B. limited food resources C. limited beak variations D. overproduction of offspring
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Peat is soil that is composed of
a partially decayed remains of animals
b. partially decayed remains of plants
c. fresh plants
d. high concentration of nutrients
Answers
Answer:
Peat is the surface organic layer of a soil that consists of partially decomposed organic matter, derived mostly from plant material, which has accumulated under conditions of waterlogging, oxygen deficiency, high acidity and nutrient deficiency
Explanation:
so c
how do Euglena reproduce?
Answers
How does the pattern of starch storage relate to the distribution of chlorophyll
Answers
Answer: The pattern of starch storage is closely related to the distribution of chlorophyll in plants
Explanation:
Chlorophyll is a green pigment that helps plants to absorb light energy and convert it into chemical energy via photosynthesis. Starch, on the other hand, is a complex carbohydrate that is used by plants as a storage form of energy.
Chlorophyll is predominantly found in the chloroplasts of plant cells, which are responsible for carrying out photosynthesis. The chloroplasts are found mainly in the leaves of the plant, where they are exposed to light. Therefore, the highest concentration of chlorophyll is found in the leaves of the plant.
Starch, on the other hand, is synthesized in the chloroplasts of the plant cells during photosynthesis. The starch is then stored in different parts of the plant, depending on the plant species. Some plants store starch in their leaves, while others store it in their stems, roots, or even fruits.
In general, plants that have a high concentration of chlorophyll in their leaves tend to store more starch in their leaves. This is because the leaves are the primary site of photosynthesis and starch synthesis. However, some plants, such as potatoes, store most of their starch in their underground tubers.
Therefore, the pattern of starch storage in plants is closely related to the distribution of chlorophyll, with the highest concentrations of both found in the leaves of the plant. However, the specific pattern of starch storage can vary between different plant species, depending on their individual needs and adaptations.
A person launches two model rockets, which reach the same altitude. One
rocket weighs 1.5 N, and the other weighs 3.2 N. How does the mass of the
rockets relate to the force of gravity on them?
A. The mass of the 1.5 N rocket is less than the mass of the 3.2 N
rocket.
B. The 1.5 N rocket and the 3.2 N rocket have the same mass before
they are launched
C. The mass of the 1.5 N rocket will be the same as the mass of the
3.2 N rocket when they reach the same altitude.
D. The 1.5 N rocket has more mass than the 3.2 N rocket.
Answers
A person launches two model rockets, which reach the same altitude. One rocket weighs 1.5 N, and the other weighs 3.2 N.
The mass of the rockets relate to the force of gravity on them, the mass of the 1.5 N rocket is less than the mass of the 3.2 N
rocket.
Option A is correct.
What is mass?Mass can be described as the amount of matter present in any object or body.
Weight on the other hand is a measure of force that is equal to the gravitational pull on an object.
Mass is independent of location, while weight depends on location.
In conclusion, the force of gravity on the two rockets is proportional to their mass.
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What organism can carry out cellular Respiration
Answers
Answer:
Organisms from all kingdoms of life.
Explanation:
Including; bacteria, fungi, plants etc.
Organisms like bacteria, plants, fungi can carry out cellular respiration.
What do you mean by cellular respiration?Cellular respiration is the process by which biological fuels are oxidised in the presence of an inorganic electron acceptor such as oxygen to produce large amounts of energy, to drive the bulk production of ATP.
Cellular respiration is a series of chemical reactions that break down glucose to produce ATP, which may be used as energy to power many reactions throughout the body.
The reactions of cellular respiration can be grouped into three stages: glycolysis (stage 1), the Krebs cycle, also called the citric acid cycle (stage 2), and electron transport (stage 3).
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inquiry based pedagogy is being embraced in principle across the globe. in the last decade , it has been supported by an increasing body of research on its effectiveness. illustrate your understanding of the concept of inquiry based pedagogy with a relevant example
Answers
Inquiry-based pedagogy involves fostering curiosity and active learning. For example, students investigating real-world environmental issues and proposing solutions.
Inquiry-based pedagogy is a teaching approach that promotes active learning and critical thinking through inquiry and exploration. One relevant example of inquiry-based pedagogy is a science classroom where students are encouraged to design and conduct their own experiments. Instead of simply following instructions, students formulate research questions, develop hypotheses, plan and execute experiments, collect and analyze data, and draw conclusions. For instance, students may investigate the effect of different variables on plant growth by manipulating factors like light, water, or soil composition. This approach allows students to engage in authentic scientific practices, develop problem-solving skills, and gain a deeper understanding of the scientific method. By actively participating in their learning process, students develop a sense of ownership and become more engaged, fostering a love for learning and nurturing their ability to explore and discover knowledge independently.For more such questions on Pedagogy:
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Question 6 Which statement BEST describes the relationship between photosynthesis and cellular respiration? A Both processes release energy in the form of heat. B Both processes use energy to form molecules of glucose. C The products of one process are the reactants in the other process. D The products of one process are the same products in the other process.
Answers
Answer:
c. The products of one process are the reactants of the other process
Explanation:
CARBOHYDRATE and oxygen is the product of photosynthesis while it is reactant in respiration.
Similarly, Carbon dioxide is the reactant of photosynthesis while it is product of respiration.
1. How does the fireflies use its energy to ensure successful reproduction
ASAP
Answers
Answer:
It's easy to see that fireflies use energy for reproduction: they actually light up to attract a mate! The glow of fireflies comes from a chemical reaction that happens inside their bodies.
Why must transcription occur where DNA can be found?
because DNA can't leave
O because DNA polymerase is found there
O because ribosomes are in the nucleus
O because helicase unzips the DNA
Answers
Answer:
because DNA can't leave
Explanation:
Transcription must occur where deoxyribonucleic acid (DNA) can be found: A. because DNA can't leave.
What is transcription?Transcription can be defined as a biological process that typically involves re-writing the information contained within a deoxyribonucleic acid (DNA) into a ribonucleic acid (RNA) by enzyme RNA polymerase.
Generally, the Transcription of deoxyribonucleic acid (DNA) produces a single-stranded ribonucleic acid (RNA) molecule that is the same with the strand of DNA used as the template.
In conclusion, transcription must occur where deoxyribonucleic acid (DNA) can be found in living organisms because DNA can't leave.
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) Among the 7 deaths do you believe they are connected? Why or why not? B) Based on the chemical blood analysis from the autopsy what organelle was likely affected? How did you come to this conclusion? What part of the cellular function was interrupter? C) Based on the levels given in the table below, what portion of the metabolic pathway was interrupted?
D) Explain how Cyanide disrupts the electron transport chain. What was the likely source of cyanide in the case?
Answers
The case is largely based on the 1982 Chicago Tylenol killings, in which seven individuals perished after cyanide-laced Tylenol capsules were administered.
What specifically occurred at the mtdna level to murder 7 persons in a suburb of Chicago?According to toxicology reports, the victims had cyanide poisoning. The killer had broken the capsules of extra strength Tylenol and substituted the acetaminophen (a painkiller) with cyanide. This is how the poison was discovered.
What aspects of the time of death should be noted and looked into?Always make your best guess. But, when the ideas are correctly put into practice, the pathologist can frequently predict the physiological time of death rather precisely. Body temperature, heart rate, and breathing rate are the most crucial and frequently used.
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If the solar system only contained Jupiter, Mars, Earth, Mercury, and Neptune, what
might Jupiter's gravity do?
Answers
The gravity of Jupiter is 2.4 times greater than the Earth's gravity and has the highest gravity as compared to other planets which is approximately 24.79m/\(s^2\).
What do you mean by Gravity?Gravity may be defined as the force of attraction that might attract any particles or bodies towards itself.
If the solar system only contained Jupiter, Mars, Earth, Mercury, and Neptune, it might cause an orbital collision with those planets. Due to its high gravity, it is called the vacuum cleaner of the solar system.
Therefore, it is described above.
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Which sugar or sugars are broken down by lactase? How do you know?
Answers
Answer:
Lactase breaks down lactose, the sugar in milk which is made of several parts.
Explanation:
name the carbohydrate that is found in abundance in mammalian blood?
Answers
Answer:
Glycogen
Explanation:
A white, tasteless polysaccharide, (C6H10O5)n, molecularly similar to starch, constituting the principal carbohydrate storage material in animals and occurring chiefly in the liver, in muscle, and in fungi and yeasts.
Glycogen is utilized to store energy and is mostly found in the muscles, liver, and red blood cells, where it is also created (from the blood glucose produced by meal digestion) and utilised. It is composed of a large number of single glucose molecules (a sort of single sugar unit) bonded together in a branching structure. It serves the same function as starch, which is a substance present in plants and is analogous in animals. Carbs are simply the word for big molecules that are created by linking together sugar molecules. Sugars, glycogen, and starch are all various types of carbohydrates since they are all made up of many sugar molecules connected together.
Fats, oils, and waxes, as well as proteins, represent a distinct class of biomolecules (composed of several building components termed amino acids) (made up of fatty acids and glycerol).
Thank you,
Eddie
What is the relationship between a molecule of DNA and a chromosome?
Answers
Answer: In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure
Explanation:
When the osmotic concentrations of the exterior environment and the interior environment of the cell are equal, this is called _____.
Group of answer choices
hypertonic
isotonic
hypotonic
Answers
Answer:
When the osmotic concentrations of the exterior environment and the interior environment of the cell are equal, this is called isotonic.
What is isotonic?A solution in which the solute and solvent are equally distributed--a cell normally wants to remain in an isotonic solution, where the concentration of the liquid inside of it equals the concentration of the liquid outside of it. 2% to 2%-> same.
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Various cultures designate racial categories differently, and they often base these categories on very different traits. For example, some cultures use nose shape as one of the defining traits for a racial group. Other cultures do not use nose shape in defining racial groups, but use hair color instead. Conduct a survey in person on your campus, via social media accounts online, or among your friends and family. Ask at least 20 people what five traits they think are most important when distinguishing racial groups. Document the responses, and then review the data. Did every person use the same traits? What do differences in racial classification such as these suggest about the universality of race and racial groupings?
Answers
Answer:
In the clarification portion below, the definition of the topic is mentioned.
Explanation:
This shows that the distinctions between people living in a culture or geographical region are often based on ethnicity including ethnic groupings. A single population belonging to a specific geographical region has been shown to possess many characteristics, including hair color, body potential for heat resistance, and menu variety. In something like a specific race or ethnic group, these social traits bring them alongside, and the young government associated with a particular race is often obligated to answer the custom practiced by individuals related to such a particular demographic. These are assumed that understand the connection to a specific community follow these rituals only to solve difficulties they have previously faced due to errors perpetrated by certain ancestors.National Park Service organic Act pros and cons
Answers
The National Park Service Organic Act has been instrumental in the preservation and management of national parks, it is important to address the limitations in funding, strike a balance between conservation and visitor use, and foster constructive relationships.
The National Park Service Organic Act, enacted in 1916, has had both pros and cons in its impact on the management and preservation of national parks in the United States. One of the significant advantages of the Organic Act is its emphasis on the preservation of natural and cultural resources. By prioritizing conservation, it ensures that these invaluable assets are protected and maintained for future generations to appreciate.
The act also established a centralized management agency, the National Park Service, which has brought consistency in policies and standards across various parks. This unified approach has facilitated efficient and effective management practices. Another positive aspect of the Organic Act is its focus on public access and enjoyment.
This promotes a greater appreciation for the environment and fosters a sense of stewardship. However, the Organic Act does have some drawbacks. Insufficient funding often poses a challenge for the National Park Service, leading to limited resources for park maintenance, visitor services, and conservation efforts. This can impact the quality of visitor experiences and the ability to adequately protect and preserve park resources.
Another potential downside is the delicate balance that the act aims to strike between conservation and visitor use. Managing the increasing demands of visitors while minimizing environmental impacts can be a complex task, resulting in conflicts and challenges for park management. Striking a balance between the needs of local communities and the goals of park preservation can be an ongoing challenge that requires thoughtful engagement and collaboration.
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Q1: Using the formula M1V1 = M2V2 , you have a 0.5 M MgSO4 stock solution available. Calculate the volume of the stock solution needed to make 2.0 L of 0.20M MgSO4.
A. 0.5 L
B. 4.0 L
C. 0.8 L
D. 0.9 L
Q2: Using the formula M1V1 = M2V2, how many millimeters of 6.0M sodium hydroxide are required to prepare 2000mL of a 1.0M sodium hydroxide solution?
A. 1200 mL
B. 200 mL
C. 333 mL
D. 300 mL
Answers
Answer:
The answer to the first question is 0.8, and the second is 333
Explanation:
I took the test
1) The volume of the stock solution needed to make 2.0 L of 0.20M MgSO4 is 0.8 L.
2) Millimeters of 6.0M sodium hydroxide are required to prepare 2000mL of a 1.0M sodium hydroxide solution is 333.33 mL.
What are the uses of sodium hydroxide?At normal temperature, sodium hydroxide is a white, crystalline substance. It has no smell and draws moisture from the atmosphere. It releases heat when combined with water, which is sufficient for the ignition of flammable materials.
It is one of the necessary components for manufacturing soap. Another name for sodium hydroxide is lye. Chemical reactions occur when lye solution is combined with fats and oils. Saponification is the name of this reaction.
The household goods that contain sodium hydroxide are drain cleansers and oven cleaners. Sodium hydroxide transforms the oil and fat-filled obstructed pipes into soap.
It is utilised in the pharmaceutical sector to make a variety of medications, including the painkiller aspirin as well as medications that lower cholesterol and prevent blood clots. Paper is produced using it in the paper industry.
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Regarding a cast placed around a fractured leg in which extensive tissue damage has occurred: Why might this cast be too tight after 24 hours
Answers
Answer:
Swelling
Explanation:
As the body tries to heal itself, the tissues may swell and become inflamed, causing a cast to become tight and uncomfortable.
Which are vital signs?
O temperature, respiratory rate, and weight
O muscle mass, height, and weight
Oheart rate, temperature, and height
temperature, respiratory rate, and heart rate
Answers
The correct combination of vital signs is temperature, respiratory rate, and heart rate.
Vital signs are key measurements that provide important indicators of a person's physiological status and overall health. They help healthcare professionals assess and monitor a patient's condition. The vital signs typically include temperature, respiratory rate, heart rate, and blood pressure. Among the options provided, the correct combination of vital signs is temperature, respiratory rate, and heart rate.
Temperature is a measure of the body's internal heat. It can be measured orally, rectally, or with the help of infrared thermometers. Deviations from the normal range may indicate fever or hypothermia, which can be indicative of underlying health issues.
The respiratory rate refers to the number of breaths a person takes per minute. It provides insight into lung function and overall respiratory health. Abnormal respiratory rates may suggest respiratory distress or underlying pulmonary conditions.
Heart rate, also known as pulse rate, measures the number of times the heart beats per minute. It reflects cardiac activity and can be assessed by feeling the pulse at various points in the body. Deviations from the normal heart rate can indicate cardiovascular problems or other physiological abnormalities.
Weight, muscle mass, and height are not typically considered vital signs. They are important anthropometric measurements used for assessing overall body composition, growth, and nutritional status. While these measurements are relevant in healthcare, they are not classified as vital signs.
In summary, the vital signs include temperature, respiratory rate, and heart rate. Monitoring these parameters allows healthcare professionals to gain valuable insights into a patient's health status, identify potential issues, and make informed decisions regarding treatment and care.
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Can you please write this reaction down step by step on paper?
Answers
The fatty acid C23:3 (Δ8,11,14) has 23 carbon atoms and three double bonds located at positions 8, 11, and 14 and its breakdown occurs through beta-oxidation.
What are the beta-oxidation steps?The fatty acid C23:3 (Δ8,11,14) has 23 carbon atoms and three double bonds located at positions 8, 11, and 14.
The breakdown of this fatty acid can occur through β-oxidation, which is the process of sequentially removing two-carbon units from the carboxyl end of the fatty acid. Each round of β-oxidation involves four steps: oxidation, hydration, oxidation, and thiolysis.
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SECTION B: QUESTION 2 2.1 The diagram below shows part of the human ear. 2.1.1 2.1.2 2.1.3 2.1.4 E A B C Explain the consequence if structure E lost its flexibility. Describe the process of hearing. D 2.Z Identify structures A and B Give the LETTER and the NAME of the parts that: (a) equalises pressure on both sides of the tympanic membrane (b) absorbs excess pressure waves from the inner ear (2) (2) (2) (2) (7) (15)
Answers
If structure E (stapes) lost flexibility, it would impair sound transmission, leading to hearing sensitivity.
Process of hearing: Sound waves enter the ear, vibrate the eardrum (tympanic membrane). Ossicles (A: malleus, B: incus) amplify vibrations to inner ear. Vibration of fluid in cochlea stimulates hair cells, converting to electrical signals for interpretation.
Structure A: Malleus
Structure B: Incus
(a) Structure C (eustachian tube) equalizes pressure on both sides of the tympanic membrane.
(b) Structure D (round window) absorbs excess pressure waves from the inner ear.
If structure E, which is the ossicles (specifically the malleus, incus, and stapes), lost its flexibility, it would have a significant consequence on hearing. The ossicles play a crucial role in the process of sound transmission. They amplify sound vibrations that enter the ear through the outer ear and transfer them to the inner ear. The flexibility of the ossicles allows them to vibrate in response to sound waves, transmitting these vibrations to the fluid-filled cochlea in the inner ear.If structure E lost its flexibility, the transmission of sound vibrations would be impaired. This would result in a reduced ability to perceive and interpret sound. Hearing sensitivity would be significantly compromised, and sounds may appear muffled or distorted. It may become challenging to distinguish different pitches or understand speech clearly.The process of hearing involves several steps. When sound waves enter the outer ear, they travel through the ear canal and reach the eardrum (tympanic membrane). The vibrations of the eardrum are then transferred to the ossicles (structures A and B in the diagram), which amplify and transmit the vibrations to the cochlea (structure C). The cochlea is responsible for converting the mechanical vibrations into electrical signals that can be interpreted by the brain. These signals are then sent to the brain via the auditory nerve, where they are processed and perceived as sound.Structure A, known as the Eustachian tube, equalizes pressure on both sides of the tympanic membrane. It connects the middle ear to the back of the throat, allowing air to flow in and out, maintaining equal pressure on both sides of the eardrum.Structure B, called the round window, acts as a pressure relief valve. It absorbs excess pressure waves from the inner ear, preventing damage to delicate structures by allowing fluid in the cochlea to move in response to the sound vibrations.Overall, the ear is a complex and intricate system that relies on the interaction of various structures to enable the sense of hearing.For more such questions on Hearing sensitivity:
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Hearing involves a process of sound wave transduction through the tympanic membrane and ossicles. If the tympanic membrane (E) loses its flexibility, sound quality may diminish. The Eustachian tube and cochlea serve to manage pressure within the ear.
Explanation:The process of hearing (audition) involves the transduction of sound waves into a neural signal. When the tympanic membrane (structure E in your diagram), or eardrum, is struck by sound waves, it vibrates. These vibrations are then transferred to the ossicles, which are three small bones in the middle ear. The ossicles are identified as structures A (Malleus or Hammer) and B (Incus or Anvil) in your diagram. Sound waves are finally transduced into a neural signal in the inner ear.
If the tympanic membrane was to lose its flexibility, it would not vibrate as effectively when struck by sound waves. This could diminish the quality of sound and potentially lead to hearing loss.
The Eustachian tube equilibrates air pressure on both sides of the tympanic membrane. This would be your answer to part (a) of the lettered question. Part (b) refers to the role of the cochlea in the inner ear, which helps to absorb excess pressure waves from the inner ear.
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The type of inheritance that involves the partial expression of two different
alleles is called
A. predominance
B. incomplete dominance
C. dominance
D. codominance
Answers
Answer:
D. Codominance
Explanation:
Codominance is when both alleles are expressed with the resulting phenotype being the intermediate of the two. For example, red and white phenotypes results to a pink one.
Part A
Which Of The Following Student-Drawn Cell Models Contain Two Chromosomes? Select All That Apply.
Answers
Answer:
the last one , the second to last one and the first one I am pretty sure
A, C and D are the student-Drawn Cell Models that Contain Two Chromosomes.
Every cell in your body has DNA, which is the form in which your genetic code is stored. It creates your body's manual of operations. Each cell's nucleus contains chromosomes, which are structures that resemble threads and contain the DNA molecule.
A chromosome is referred to be a "homologous chromosome" if it has a similar genetic makeup but also includes replication-induced variations. Sister chromatids are the two halves of a certain chromosome that are joined at the centromere. Chromosomes known as "replication chromosomes" arise after the cell has undergone the process of DNA replication to prepare for cell division.
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Based on this kind of biogeographical evidence, a scientist might propose the following
hypothesis: The common ancestor of the cactus family evolved in the area now called
South America. Which of these statements best supports this hypothesis about the
common ancestor of the cactus family?
A According to the theory of continental drift, the Atlantic Ocean has become wider
over time.
B
According to the theory of evolution, organisms change over time because they are
better adapted to their environment.
C According to the theory of plate tectonics, South America and Africa were once
connected.
D According to the theory of natural selection, organisms adapt to their environment
over time.
Answers
The common ancestor of the cactus family evolved in the area now called South America, and this explains that the common ancestor of the cactus family may belong to the other area, as according to the theory of plate tectonics, South America and Africa were once connected, which is in Option C.
What exactly is the continental drift?According to continental drift, newly formed continents such as Africa and South America were once linked and constituted a single continent as Africa has many deserts, the ancestors of the cactus were grown there, and later, after the continental drift, they were found in South America.
Hence, the common ancestor of the cactus family evolved in the area now called South America, and this explains that the common ancestor of the cactus family may belong to the other area, as according to the theory of plate tectonics, South America and Africa were once connected, which is in Option C.
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