How do body structures support evolution?
Answers
Answer:
Similar body parts may be homologous structures or analogous structures.
Explanation:
Similar body parts may be homologous structures or analogous structures. Both provide evidence for evolution. Homologous structures are structures that are similar in related organisms because they were inherited from a common ancestor. These structures may or may not have the same function in the descendants.
Related Questions
to test for lipid is heat needed????????
Answers
Answer:
No
Explanation:
Place two spatulas of the food sample into a test tube or 1 cm3 if the sample is liquid.
Add 2 cm3 of ethanol to the tube. Cover the end of the tube and shake the tube vigorously.
Allow the contents to settle.
Pour the liquid from the top of the mixture into a test tube half-filled with water.
Record the level of the food and whether the water is cloudy or clear.
As you can see no heat is needed
How are green algae related to land plants? (Select all that apply.)
both have chloroplasts
both lack a cell wall
both have a cell nucleus
both lack a cell nucleus
both have a cell wall
Answers
Answer:
bro whats the real answer i got a 70 percent bc the person who answered and the owner of this question said thank you i thought it was legit dang
Explanation:
The green algae relate to land plants in the following ways:
They both have chloroplasts.Both have a cell nucleus.Both have a cell wall.Thus, the correct options are A, B, and E.
What are Green algae?Green algae may be defined as a type of eukaryotic organism that has photosynthetic pigments a and b. Such a type of algae also stores carbohydrates as starch.
Green algae mostly live in freshwater environments, ranging from unicellular flagellates to more complex multicellular forms.
Both land plants and green algae have a photosynthetic organelle known as chloroplast. The cell wall of land plants as well as green algae are made up of cellulose, hemicellulose, and pectins.
Both eukaryotic classifications possess a well-defined cell nucleus, nuclear membrane, and other membrane-bound cell organelles.
Therefore, the correct options for this question are A, B, and E.
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Describe the difference between supportive connective tissue and fluid connective tissue.
Answers
Supportive is bone and cartridge. It provides structure and strength to the body and protect soft tissues.
Mostly the difference is one holds the structure and the other holds the make up of blood.
Select the correct answer from each drop-down menu. Some plants rely on the wind to reproduce. An example is the . It’s important for plants to use the forces of nature to reproduce because they .
Answers
Answer:
white tuft of dandelion seeds
They cannot move around freely
I hope this helps
For a globular protein that is found in the cytosol, ___ would most likely be found in the proteins interior while ___ would most likely be found on the surface.
Answers
For a globular protein that is found in the cytosol, hydrophobic amino acid residues would most likely be found in the protein's interior while hydrophilic amino acid residues would most likely be found on the surface.
Globular proteins are generally water-soluble, and they have a roughly spherical three-dimensional structure. These proteins have hydrophobic amino acid residues (AA), such as leucine, isoleucine, valine, phenylalanine, tryptophan, and methionine, at their core because they are commonly shielded from water.
Hydrophilic amino acid residues, such as aspartic acid, glutamic acid, histidine, and lysine, are commonly found on the protein's surface because they are exposed to water and can form hydrogen bonds with the surrounding water molecules.
The globular protein's 3-D shape is determined by the interaction of these hydrophobic and hydrophilic amino acids.
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Which type of mining is more dangerous to miners and the environment?
O biomining
O shaft mining
O surface mining
O strip mining
Answers
What is an advantage of this type of reproduction? A. It allows a species to avoid harmful mutations. B. It enables a species to increase its genetic variability. C. It allows a species to withstand long periods of unstable environmental conditions. D. It enables a species to rapidly populate an environment that has favorable conditions.
Answers
Answer:
I think C
Explanation:
Help me with question 2 quick please!!!
Answers
In a pedigree, circles typically represent female individuals, while squares represent male individuals. Pedigrees are diagrams that illustrate the genetic relationships within a family across multiple generations. They are commonly used in genetics to study the inheritance of traits or genetic disorders.
The circles and squares in a pedigree represent individuals within the family, with the shapes denoting their gender. The lines connecting the shapes indicate relationships, such as marriages or parent-child connections. Offspring are typically shown below and connected to their parents.
Therefore, by analyzing a pedigree, geneticists can study patterns of inheritance, track the transmission of genetic traits or diseases, and make predictions about the likelihood of specific traits or conditions appearing in future generations.
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a body structure that supports and protects the organism and plays a role in locomotion is called a(n) .
Answers
Answer: Skeletal System
Explanation:
which tissue provides support as a supplementary tissue from the following
A. Parenchyma
B. Collenchyma
C. Sclerenchyma
D. Arenchyma
Answers
Answer:
Explanation: D. Arenchyma
How does osmoregulation take place in trout fish?
Answers
Answer:
The gills actively uptake salt from the environment by the use of mitochondria-rich cells. some marine fish, like sharks, have adopted a different, efficient mechanism to conserve water, osmoregulation. they retain urea in their blood in relatively higher concentration.
Explanation:
Help please (people that are going to help)
Answers
Answer:
5. The study of embryology shows that the embryos of most vertebrates have similar structures and appearences.
Need immediate help!!
Answers
Answer:
A
Explanation:
The cell would likely not have fewer chromosomes than the parent because those cells are formed from nondisjunction and not base mutations and those cells are usually not viable
the cell would not produce more proofreading proteins to eliminate future mutations --> the concentration of proofreading proteins does not change in response to a singular mutation
the cell would not be more likely to have an environmental mutation because those occur at random
Question 21(Multiple Choice Worth 4 pollies)
[0.04H]Nick made the chart below to show the future impact of four energy production technologies on the environment.
Tidal Power
Name of
energy
production
technology
Wave power
Current power
Ocean thermal
Energy
Impact on
environment
Emission of
greenhouse
gases into the
atmosphere
Decrease in Destruction of
the number animal habitats
of migratory because of change
birds
in coastline
Increase in fish
population because
of decrease in
current strength
For which of these energy production technologies did Nick write correct future impacts on the environment?
O ocean thermal energy and wave power
O wave power and tidal power
O tidal power and current power
O current power and ocean thermal energy
![Question 21(Multiple Choice Worth 4 pollies)[0.04H]Nick made the chart below to show the future impact](https://i5t5.c14.e2-1.dev/h-images-qa/contents/attachments/f2rEb5W40ztyT95teFaMGPrrZIZnEyVD.png)
Answers
Answer:
I don't unerstand the question
Explanation:
I think it's B
Answer:
Tidal power and current power
Explanation:
First, we can determine that A and B are obvoiusly wrong. Ocean thermal energy produces zero carbon emissions, as most forms of hydroelectric power do. Secondly, wave energy might affect aquatic life, but it wouldn't affect the migration of birds. After reviewing the 3rd and 4th answers, they do look reasonable. Therefore, your answer is tidal power and current power.
Which type of evidence provides the best support for the hypothesis that the ancestors of tetrapods evolved legs before tetrapods were first seen on land?
Answers
Answer:
" Fossil record" is the right answer.
Explanation:
Prior knowledge, comprising fossils, rests as well as impressions of species perfectly deposited throughout sedimentary rock throughout early archaeological eras.These are established upon this superpose law which always claims that perhaps the lower layers typically younger than the whole upper ones in uninterrupted factors leading.The material that emerges from volcanic includes molten rock. What is it that melts this material
Answers
Answer:
Flux melting is what melts the material.
Explanation:
When water or carbon dioxide are added to a rock, the rock begins to melt at lower temperatures, creating magma or molten rock.
I need a paragraph about non renewable energy if possible that would be greatly appreciated
Answers
Explanation:
Nonrenewable energy resources include coal, natural gas, oil, and nuclear energy. Once these resources are used up, they cannot be replaced, which is a major problem for humanity as we are currently dependent on them to supply most of our energy needs.
For healthy adults, the Recommended Daily Allowance (RDA) for protein has been set at 0.8 grams for each kilogram (or 2.2 lbs) of body weight. Assuming that a person weighs 140 pounds, calculate what your RDA for protein would be in grams. Round to the nearest whole number.
Please help, thanks!
Answers
Recommended Dietary Allowance (RDA) of protein for adults is 0.8 g per kilogram of body weight.
What is recommended dietary allowance?
The Food and Nutrition Board has determined the levels of essential nutrient intake known as Recommended Dietary Allowances (RDAs) to be sufficient to meet the known nutrient needs of nearly all healthy individuals.
You can determine how much protein you should be eating by converting your weight, which you likely know in pounds, to kilograms. In comparison to the average American woman, who weighs 168.5 pounds, the average American man weighs 195.7 pounds (88.77 kilograms) (which equals about 75.21 kilograms).
The RDA formula is as follows since most people should ingest 0.8 grams of protein per kilogram of body weight:
protein equivalent of 0.8 grams (weight in kilograms)
According to this recommendation, most men should consume 71 grams of protein daily, as 0.8 x 88.77 = 71.016. Since 0.8 x 75.21 = 60.168, women should normally consume roughly 60 grams of protein per day
You can just multiply your weight in pounds by 0.36 grams of protein if you have problems figuring out your body weight in kilograms. Thus, the RDA formula would be as follows:
0.36 g of protein multiplied by (weight in pounds)
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different between core activities and directly related activities
Answers
On the other hand, directly affiliated activities are those that support or grease the core activities. They aren't essential to the primary functions of the association but are necessary for their smooth operation. exemplifications of directly related activities may include mortal coffers operation, account, IT support, and executive tasks.
It's important to note that while directly related activities may not be considered core activities, they still play a pivotal part in supporting and enhancing the overall performance of an association.
In summary, core activities are the primary functions that are essential to achieving the pretensions of an association, while directly related activities are those that support and grease these core conditioning.
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All of the following are true of the fibrous tunic of the eye, except that it ________.
consists of the sclera, limbus, and cornea.
provides mechanical support and some protection for the eye.
produces aqueous humor.
contributes substantial focusing power.
is where extrinsic eye muscles insert.
Answers
All of the following are true of the fibrous tunic of the eye, except that it produces aqueous humor.
The fibrous tunic of the eye consists of the limbus, sclera and the cornea. It performs the function of providing some amount of protection as well mechanical support to the eye. It is the place where the extrinsic eye muscles are inserted.
It also contributes to the substantial focusing power. It does not produce aqueous humor. The aqueous humor is secreted from the ciliary body present in the eye which is a structure which supports the lens of the eyeball.
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3. Which of the following is NOT a part of the female reproductive system: a. uterus b. oviduct C testes d. all of the above
Answers
Answer:
C. Testes
Explanation:
Testes are only seen in males. It is an organ that produces spermatozoa (male reproductive cells).
Does GONORRHEA What microbe causes your disease?
Answers
Gonorrhea is a sexualy transmitted deasease caused by a bacteria called Neisseria gonorrhoeae.
What is the difference between poison and medicine? How can we use science to figure out the difference.
Will mark u brainliest.
Answers
Answer:
not sure how to go about this question so if I'm wrong please tell me
Explanation:
The difference between poison and medicine is that poison is used to harm to one's health whether its an animal or human while medicine is used to cure an illness or an injury. We can use science to figure out the difference by testing the substance on an animal or stem cells of a human scientists do this various times to be assured of its outcome.
How would transcription of the E. coli trp operon be affected by the following manipulations of the leader region of the trp mRNA? (a) Increasing the distance (number of bases) between the leaden peptide gene and sequence 2
(b) Increasing the distance between sequences 2 and 3 (c) Removing sequence 4 (d) Changing the two trp codons r peptide gene to in the his codons (e) Eliminating the ribosome-binding site for the gene that encodes the leader peptide (f) Changing several nucleotides in sequence 3 so that it can base pair with sequence 4 but not with sequence 2
Answers
Transcription of the E.coli trp operon can be affected by the following manipulations of the leader region of the trp mRNA:
(a) Increasing the distance (number of bases) between the leaden peptide gene and sequence 2 would reduce the accessibility of the RNA polymerase to the transcription start site, resulting in a decrease in transcription.
(b) Increasing the distance between sequences 2 and 3 would reduce the strength of the stem-loop structure, resulting in decreased transcription.
(c) Removing sequence 4 would reduce the strength of the stem-loop structure, resulting in decreased transcription.
(d) Changing the two trp codons in the his codons would change the structure of the mRNA, resulting in decreased transcription.
(e) Eliminating the ribosome-binding site for the gene that encodes the leader peptide would prevent the translation of the leader peptide, resulting in a decrease in transcription.
(f) Changing several nucleotides in sequence 3 so that it can base pair with sequence 4 but not with sequence 2 would reduce the strength of the stem-loop structure, resulting in decreased transcription.
Hence, the transcription of the E. coli trp operon is affected by all the given manipulations of the leader region of the trp mRNA, by resulting in decreased transcription.
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ligaments that attach to the larynx and extend to the hyoid bone and trachea are ligaments.
Answers
The ligaments that attach to the larynx and extend to the hyoid bone and trachea are called laryngotracheal ligaments.
The laryngotracheal ligaments are a group of ligaments that connect the larynx (voice box) to the hyoid bone and trachea (windpipe). These ligaments play a crucial role in supporting and stabilizing the larynx within the neck.
The larynx is a complex structure composed of cartilage, muscles, and connective tissues, and it is responsible for producing sound and facilitating the passage of air to and from the lungs. The laryngotracheal ligaments provide structural support by attaching the larynx to the hyoid bone, a U-shaped bone located at the base of the tongue, and the trachea.These ligaments help maintain the position and alignment of the larynx, ensuring its proper function during breathing, swallowing, and speech. They also contribute to the overall stability of the larynx and assist in protecting the airway.In summary, the laryngotracheal ligaments are the ligaments that connect the larynx to the hyoid bone and trachea, providing support and stability to the larynx within the neck.
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List the elements
found in sugar and
oxygen
Where did the plant get this
element from? (your answer
should be a molecule or
molecules)
Answers
Element found in sugar is glucose and plant get this element from photosynthesis .
The product of photosynthesis is glucose and oxygen . Hydrogen atom from water molecule is also used in this process were oxygen molecule is released as oxygen gas .
Photosynthesis produce oxygen and glucose from carbon dioxide and water. Glucose is used as food by the plant and oxygen is a by-product. Sugar is converted into starch in whole plants. Water is also a product of photosynthesis. This water is produced from the oxygen atoms in the carbon dioxide molecules and oxygen molecules that are released into the atmosphere come exclusively from the original water molecules.
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How is multi cellularity advantages over increasing the mass of a single cell
Answers
Answer:
Multicellular organisms
hoped i helped
Drag the labels to the appropriate locations in this concept map.
Answers
Answer:
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Proteins are the polymer of amino acids have many functions, joined by peptide bonds. Each amino acid consist of central carbon. Proteins consist of four group of structure primary structure, secondary structure, R group, tertiary structure and quaternary structure.
What are amino acids?Amino acids are defined as a chemical substances with functional groups from both amino and carboxylic acids. You need 20 of these molecules for your body to function properly because they are the building blocks of protein that are required by all living organisms. 11 of the essential amino acids are produced by your body.
Proteins are defined as a macro- and large-scale biomolecules that contain one or more long chains of residues from the amino acid. Proteins are composed of amino acid chains, which fold into recognizable three-dimensional structures. The bonds found inside protein molecules help to secure the final folded shapes of proteins, which are well-suited for their functions.
Thus, proteins are the polymer of amino acids have many functions, joined by peptide bonds. Each amino acid consist of central carbon. Proteins consist of four group of structure primary structure, secondary structure, R group, tertiary structure and quaternary structure.
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Consider the numbers of species known to exist on Earth, including the numbers that are being discovered and
the numbers thought to be going extinct. What do these
numbers suggest about biodiversity on Earth?
Answers
Answer:
A high diversity of species is known to exist among insects and land plants; fewer species are known to exist among vertebrates, bacteria, algae, arachnids, Protists, nematodes, mollusks and crustaceans. However, much greater diversity is estimated to exist among insects, fungi, bacteria, algae, and arachnids. Vertebrates are the best-studied organisms but are relatively less diverse than other groups.
Explanation:
Consider the numbers of species known to exist on Earth, including the numbers that are being discovered and
the numbers thought to be going extinct. What do these
numbers suggest about biodiversity on Earth?
What would be the consequences in successive generations of offspring if the chromosome number were not reduced during meiosis?
Answers
If the chromosome number were not reduced during meiosis, it would result in polyploidy, the condition of having multiple sets of chromosomes in an organism's cells. Polyploidy can occur through autopolyploidy, where an organism has multiple sets of chromosomes from the same species, or allopolyploidy, where an organism has multiple sets of chromosomes derived from different species.
Polyploidy can have significant consequences for offspring in successive generations. It often leads to larger and more robust individuals with increased vigor and adaptability. Polyploidy can cause reproductive isolation between polyploid and diploid individuals, potentially leading to the formation of new species.
It can also result in altered gene expression, changes in reproductive behavior, and reduced fertility due to meiotic problems. Polyploidy has played a role in plant speciation and can contribute to the genetic diversity and adaptability of populations.
Overall, if chromosome number were not reduced during meiosis, the occurrence of polyploidy would have far-reaching effects on the phenotype and evolutionary potential of offspring, influencing their reproductive success, genetic interactions, and potential for adaptation to changing environments.
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