one dandelion can produce over a hundred seeds to increase the probability that a seed will land in a place appropriate for growth. not all of the seeds will eventually become dandelion plants that produce seeds. this is an example of which type of survivorship curve?
Answers
The situation you described with dandelions producing a large number of seeds, but not all of them grow into mature plants, is an example of a Type III survivorship curve.
This is an example of a Type III survivorship curve. Type III curves are characterized by high mortality rates in early life stages, followed by a period of relatively low mortality for those individuals that survive to adulthood. In the case of dandelions, the high number of seeds produced is a strategy to increase the chances of some seeds finding suitable growing conditions and surviving to adulthood, despite the fact that many of the seeds will not survive. In this type of curve, there is a high mortality rate among young individuals, but those that survive the initial stages have a higher chance of living longer and reproducing.
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Related Questions
1. what is a line of best fit?
2.look at the graph with correlation coefficients of r=0.9 and r= -5. What kind of relationship does each of these values indicate
3. Compare the scatterplot with correlation coefficient of R= 1 and R =0. Use a correlation coefficients to predict how an increase in one variable would affect the other variable for each scatterplot.
Answers
A line of best fit is a straight line that is used to describe the relationship between two variables in a scatterplot.
What is a line of best fit?It is the line that best represents the data points on the graph. The correlation coefficient (r) of a line of best fit is a measure of how closely the data points fit the line.For the graph with correlation coefficient of r=0.9, this indicates a strong positive linear relationship between the two variables. This means that as one variable increases, the other variable also increases.For the graph with correlation coefficient of r=-5, this indicates a strong negative linear relationship between the two variables. This means that as one variable increases, the other variable decreases.For the scatterplot with correlation coefficient of R=1, this indicates a perfect positive linear relationship between the two variables. This means that as one variable increases, the other variable increases in the same proportion.For the scatterplot with correlation coefficient of R=0, this indicates no linear relationship between the two variables. This means that an increase in one variable would not affect the other variable.To learn more about correlation coefficient refer to:
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true or false, most carriers of hepatitis virus have no signs or symptoms at all.
Answers
The statement "most carriers of hepatitis virus have no signs or symptoms at all" is true because Hepatitis is a viral infection that affects the liver, and in many cases, carriers may not experience noticeable symptoms.
However, some may experience flu-like symptoms such as fatigue, fever, and abdominal pain. A person must get tested regularly if they are at risk for hepatitis to prevent the spread of the virus, and to monitor any potential liver damage. Hepatitis is a viral infection that affects the liver, and in many cases, carriers may not experience noticeable symptoms.
However, it is still possible to transmit the virus to others, even without exhibiting symptoms. Therefore, the statement "most carriers of hepatitis virus have no signs or symptoms at all" is true.
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you are told to cut a dissection animal along two planes so that both kidneys are observable in each section. the two sections that can meet this requirement are the and sections.
Answers
The two sections that can meet this requirement are the transverse section and the frontal sections.
Transverse Section- A transverse section is an incision that is performed across the body of an animal, a plant, an organ, or a tissue. People most frequently refer to it as the gap between left and right. An organism's transverse section often extends between its lateral ends from left to right or the other way around.
Frontal Section- A frontal section is a slice of the body that cuts perpendicular to the median plane and divides the body into the dorsal and ventral halves.
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How many chromosomes are left after meiosis 1 and are they single-stranded or double-stranded?
Answers
g proteins group of answer choices bind gtp dephosphorylate itams are transcription factors downmodulate immune responses are adhesion molecules
Answers
G proteins are particular proteins with the capacity to tie the nucleotides guanosine triphosphate (GTP) and guanosine diphosphate (Gross domestic product).
Some G proteins, like the flagging protein Ras, are little proteins with a solitary subunit. Following enactment, both the GTP-bound α subunit and the free βγ complex can tie to downstream effector particles and intercede different reactions in the objective cell.
G proteins are sub-atomic switches that are dynamic in the GTP-bound structure, are equipped for hydrolyzing the GTP-bound nucleotide to Gross domestic product, and in the Gross domestic product bound structure are dormant. In the dynamic GTP-bound structure, the little G proteins can tie to effectors to proliferate flagging.
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Inadequate blood flow to the heart muscle can cause an area of damaged cardiac tissue known as a(n) .
Answers
A myocardial infarction comprises a series of changes in the cardiac tissue that originate when there is an inadequate blood flow to the heart muscle or a coronary artery becomes blocked.
What is a myocardial infarction?It is characterized by the sudden appearance of a picture of ischemic suffering (lack of irrigation) to a part of the heart muscle produced by the acute and total obstruction of one of the coronary arteries.
It is recognized by the sudden appearance of the characteristic symptoms of intense pain in the chest, in the precordial area and a feeling of general malaise.
Therefore, we can conclude that a myocardial infarction comprises a series of changes in the cardiac tissue that originate when there is an inadequate blood flow to the heart muscle.
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Describe the impact
organisms in the
of a large migration of dolphins into the area. How would this directly affect other
ecosystem?
Answers
what are 5 resources valued by human society?
Answers
Answer:
Water, Oil, Coal, Forests, Iron
Explanation:
hope this helps
Answer:
Water, Oil, Coal, Forests
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Which statements describe components of fitness? (Select all that apply.)
• being free of physical and mental diseases
• performing muscular movement of the body that requires energy
• incorporating cardio and strength training into daily workouts
• having a large support system of friends and family
Answers
Answer:
performing muscular movement of the body that requires energy
• incorporating cardio and strength training into daily workouts
The components of the fitness includes performing muscular movement of the body that requires energy as well as incorporating cardio and strength training into daily workouts. The correct options are b and c.
What is fitness?Physical fitness is defined by professionals as "one's capacity to complete everyday tasks with optimized performance, perseverance, and strength while managing disease, exhaustion, and stress and reducing sedentary behavior."
Physical activity can enhance your brain health, assist you in controlling your weight, lower your risk of developing disease, fortify your bones and muscles, and improve your ability to do everyday tasks.
Individuals who sit very little and engage in moderate-to-vigorous physical activity reap health benefits.
Fitness includes performing muscular movements that require energy, as well as incorporating cardio and strengthening exercises into daily workouts.
Thus, the correct options are b and c.
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which statement correctly describes greenhouse gases in the atmosphere?
Answers
Answer: It is a process by which greenhouse gases allow the sun’s light to penetrate the atmosphere but stop the heat from escaping.
Explanation:
Greenhouse effect is the natural heating of the Earth's surface due to the fact that the sunligth waves may penetrate the atmosphere and reach the solid surface, but when the sunlight waves return after reaching the solid surface, process that changes the wavelength of the sunlight, they cannot penetrate the greenhouse gases and so the heat is kept inside the atmosphere with the consequent increase of temperature.
Which is the most likely reason for developing this type of transportation technology?
Answers
The most likely reason for developing this type of transportation technology is the need for a more efficient and sustainable form of transportation.
Solar cars use an inexhaustible energy source, making them an ideal choice for commuters who want to reduce their environmental impact. Additionally, solar cars are more efficient than traditional combustion engine vehicles and require less maintenance, making them a cost-effective option for daily commuters.
Finally, solar cars are available in a variety of sizes and styles, making them suitable for a wide range of uses.
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which type of epithelial tissue would you suppose covers the gills of axolotls? (etext overview)
Answers
The gills of axolotls are covered by a specialized type of epithelial tissue called "respiratory epithelium."
However, I can provide general knowledge based on my training data up until September 2021.
The gills of axolotls are responsible for respiration and gas exchange in water. Epithelial tissues are one of the four main types of animal tissues, characterized by closely packed cells that form a barrier or lining. The specific type of epithelial tissue that covers the gills of axolotls is known as "respiratory epithelium" or "respiratory mucosa."
Respiratory epithelium is specialized to facilitate gas exchange. It is typically composed of a single layer of flat or squamous cells, which allows for efficient diffusion of gases across the epithelium. This type of epithelium can be found in various respiratory structures of animals, including the gills of aquatic organisms like axolotls.
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Whale primary functions
Answers
The primary functions of whales include feeding, reproduction, communication, and migration.
Whales are primarily filter feeders or predators, depending on the species.
Filter-feeding whales, such as baleen whales, have baleen plates in their mouths that allow them to filter out small prey, such as krill or small fish, from large volumes of water.
Predatory whales, such as toothed whales, hunt and feed on various marine organisms, including fish, squid, and marine mammals.
Reproduction is another important function for whales. Most whale species have a gestation period of several months, with females giving birth to a single calf.
The calves are nursed with milk from their mothers and rely on their care for a period of time until they become independent.
Communication is vital for whales, as they rely on vocalizations to communicate with other members of their pod.
Whales produce a variety of sounds, including songs, clicks, and whistles, which serve purposes such as mating, social interactions, and navigation.
Migration is a common behavior observed in many whale species. Whales undertake long-distance migrations, often covering thousands of kilometers, to reach feeding grounds in nutrient-rich waters or to reproduce in specific breeding areas.
These migrations are driven by seasonal changes in food availability and environmental conditions.
In summary, the primary functions of whales encompass feeding, reproduction, communication, and migration, all of which are essential for their survival and successful adaptation to their marine environments.
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describe the process by which a germ cell’s complement of chromosomes is halved in the formation of gametes.
Answers
The process by which a germ cell’s complement of chromosomes is halved in the formation of gametes is called meiosis.
Meiosis is a type of cell division that reduces the number of chromosomes in a germ cell by half, resulting in four haploid (n) daughter cells, each with half the number of chromosomes (half the genetic material) of the parent cell. The process of meiosis begins with a diploid (2n) parent cell containing two sets of chromosomes (one from the mother and one from the father). During prophase I, the chromosomes condense and the nuclear membrane breaks down. Homologous chromosomes (chromosomes with similar genetic information) pair up to form tetrads. During metaphase I, the tetrads line up on the metaphase plate. At anaphase I, the homologous chromosomes separate and move to opposite ends of the cell. Then, during telophase I, the cell divides and two daughter cells are formed.
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A peptide bond in a protein_________.
A. joins the carbon in the carboxyl group of an amino acid to its functional group
B. joins the central carbon of an amino acid to its functional group
C. joins the central carbon of one amino acid to the amino group of another amino acid
D. joins the carbon in the carboxyl group of one amino acid to the nitrogen in the amino group of another amino acid
E. is a specific type of hydrogen bond
Answers
A peptide bond in a protein__ joins the carbon in the carboxyl group of one amino acid to the nitrogen in the amino group of another amino acid._______. The correct option is D
What is Carboxyl group?
Carboxyl group can be defined as a functional group (-COOH) in organic chemistry consisting of a carbon atom double-bonded to an oxygen atom and single-bonded to a hydroxyl group (-OH).
Carboxyl groups are found in many organic molecules, including amino acids and fatty acids, and play a crucial role in many biological processes such as cellular respiration and the formation of peptide bonds in proteins.
The correct option is D
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About the three following diseases: phenylketonuria (PKU), sever combined immuno-deficiency (SCID), and familial hypercholesterolemia (FHC), in what way are these three diseases similar? And, what is "broken" in each of them?
Answers
Phenylketonuria (PKU), severe combined immunodeficiency (SCID), and familial hypercholesterolemia (FHC) are all genetic disorders, and they are similar in that they are caused by a single gene mutation that affects normal gene expression.
Phenylketonuria (PKU) is an autosomal recessive disorder caused by the inability to convert phenylalanine to tyrosine. As a result, phenylalanine levels accumulate in the body and can cause brain damage. The gene that encodes for phenylalanine hydroxylase, the enzyme responsible for converting phenylalanine to tyrosine, is the gene that is broken in PKU. This condition is treatable with a phenylalanine-free diet, which helps to prevent brain damage.
Severe combined immunodeficiency (SCID) is a rare genetic disorder that affects the immune system's ability to fight off infections. It is caused by a deficiency in the genes that encode for components of the immune system, such as T and B cells. As a result, people with SCID are more susceptible to infections and may develop life-threatening illnesses.
This disease is caused by mutations in genes that are responsible for the development and function of immune cells. Familial hypercholesterolemia (FHC) is an inherited condition that leads to high levels of cholesterol in the blood. The disease is caused by a mutation in the LDL receptor gene, which is responsible for removing LDL cholesterol from the bloodstream. As a result, people with FHC have a higher risk of developing heart disease.
This disease is caused by mutations in the LDL receptor gene, which is responsible for removing LDL cholesterol from the bloodstream.
In conclusion, all three diseases are genetic disorders caused by mutations in single genes. PKU is caused by a gene that encodes for phenylalanine hydroxylase, SCID is caused by genes that encode for immune system components, and FHC is caused by mutations in the LDL receptor gene.
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What is metopus, and what type of endosymbiont does it keep?
Answers
Answer:
Hey i think there is an error in ur question, u may recheck the so called word "metopus"
But here is the definition of Endosymbionts are organisms that form a symbiotic relationship with another cell or organism
Which form of hypoxia reflects poor O2 delivery resulting from too few RBCs or from RBCs that contain abnormal or too little hemoglobin?
a. hypoxemic hypoxia
b. ischemic (stagnant) hypoxia
c. anemic hypoxiad. histotoxic hypoxia
Answers
Answer:
c. Anemic hypoxia
Explanation:
Hypoxia is a health condition in which the body or a region of the body is not adequately supply with oxygen at the tissue level. Types of hypoxia include:
Hypoxemic hypoxia is a condition in which their is low level of oxygen in blood in the arteries due to the inability of the lungs to properly oxygenate blood.
Ischemic (stagnant) hypoxia is a type of hypoxia that occurs due to a decrease in blood flow preventing adequate blood supply to tissues.
Anemic hypoxia occurs when the ability of the blood to carry oxyegen is reduced due fewer red blood cells or red blood cells that contain little or abnormal hemoglobin molecules hemoglobin molecules.
Histotoxic hypoxia is hypoxia in which the cells are unable to use oxygen from the bloodstream, even though there is normal delivery of oxygen to such cells and tissues. This is due to the poisoning of the cells or tissues causing a disruption in their respiratory mechanism, for example in Cyanide poisoning.
Therefore, the correct answer is anemic hypoxia.
.The genes of a bacterial __________________ are transcribed into a single mRNA. Many bacterial promoters contain a region known as a(n) __________________, to which a specific transcription regulator binds. Genes in which transcription is prevented are said to be __________________. The interaction of small molecules, such as tryptophan, with __________________ DNA-binding proteins, such as the tryptophan repressor, regulates bacterial genes. Genes that are being __________________ expressed are being transcribed all the time.
operon
operator
repressed
allosteric
constitutively
Answers
The genes of a bacterial operon are transcribed into a single mRNA. Many bacterial promoters contain a region known as an operator, to which a specific transcription regulator binds. Genes in which transcription is prevented are said to be repressed. The interaction of small molecules, such as tryptophan, with allosteric DNA-binding proteins, such as the tryptophan repressor, regulates bacterial genes. Genes that are being constitutively expressed are being transcribed all the time.
1. Operon: In bacteria, an operon is a functional unit of DNA that consists of multiple genes that are transcribed together as a single mRNA molecule. These genes are typically involved in related functions or part of the same biochemical pathway.
2. Operator: The operator is a specific region within the operon DNA sequence. It is a regulatory element where a transcription regulator, such as a repressor protein, can bind. The binding of the regulator to the operator can control the transcription of the genes within the operon.
3. Repressed: When a gene or set of genes in an operon is "repressed," it means that transcription is inhibited or prevented. This repression can occur when a specific transcription regulator binds to the operator, blocking the RNA polymerase from initiating transcription.
4. Allosteric: Allosteric refers to the ability of a molecule to bind to a protein and cause a conformational change that affects the protein's activity at a different site.
5. Constitutively expressed: Genes that are constitutively expressed are continually transcribed, meaning they are active and producing mRNA all the time, regardless of external signals or conditions.
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The last photographs below show some physical attributes between his John and his son Julian. Which conclusion can be drawn regarding these similarities?
Answers
Humans have two forms of DNA. One is mitochondrial DNA, while the other is nuclear DNA. Humans have B-DNA. It has a right-handed double-helical structure.
Do all of your body's cells have the same genetic DNA?All of the cells of a complex multicellular creature, such as a human person, possess the same DNA; nonetheless, the body of such an organism is plainly made up of many distinct types of cells.
Mitosis is employed to generate daughter cells that are genetically similar to the parent cells. The cell duplicates - or'replicates' - its chromosomes, then divides the copied chromosomes evenly to ensure that each daughter cell has a complete set. Your body is made up of billions of cells (thousands of millions).
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What are the Products of Photosynthesis?
A. Glucose and water
B. Oxygen and Glucose
O
C. Carbon dioxide and water
D. Oxygen and sunlight
Answers
Hope that helped
Answer:
Glucose and oxygen
Explanation:
4. The temperature in \( \# 3 \) is fresh water's temperature of maximum density. a. lower than b. equal to c. higher than
Answers
The given statement “The temperature in # 3 is fresh water's temperature of maximum density” means that the temperature at point 3 has a density of maximum density compared to other points of fresh water. So, the temperature at point 3 is equal to fresh water's temperature of maximum density. Therefore, the answer is option b. equal to.
Water is known as the only substance on earth that exists in all three forms, i.e., solid, liquid, and gas. Moreover, the density of water is also unique compared to other substances. Density is the property of a substance that measures the relationship between the mass and volume of a substance. The density of water varies with temperature and pressure. So, the density of water is always higher than that of gases but lower than most solids.
The density of fresh water at standard atmospheric pressure is around 1000 kg/m³, whereas seawater has a density of around 1025 kg/m³ at the surface. The density of water at different temperatures: Water has a unique density-temperature relationship, meaning the density of water varies with temperature.
At 4 °C, fresh water has the highest density, and as the temperature rises or falls below this point, the density of water decreases. So, water has an anomalous density-temperature relationship. Hence, b is the correct option.
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Select ALL of the following that are directly involved with making a protein
Ribosome
Cell Membrane
DNA
Cytoplasm
Answers
Cell Membranes,Ribosome, Cytoplasm are used to make protein
Explanation:
Proteins are formed in a condensation reaction when amino acid molecules join together and a water molecule is removed. The new bond formed in protein molecules where amino acids have joined (-CONH) is called an amide link or a peptide link.
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If we could eliminate any disease in the North America, what would we pick if we
wanted to most reduce the number of Americans living with long-term disability?
multiple sclerosis
Alzheimer's
heart attacks
strokes
Answers
Answer:
i would say the best option to pick would be multiple sclerosis
Explanation:
how does the function of a nucleic acid compare to the function of a lipid?
Answers
Answer:
Hello!
Explanation:
Lipids and Nucleic acids are two basic macromolecules that form the structure of every living organism.
Nucleic acids are those molecules that act as the brains of each cell. Their many function is to store information necessary for the sustenance of life. They deal with what happens to each cell at any moment of time. They are of two main types:
DNA - Deoxyribose Nucleic Acid
RNA - Ribose Nucleic Acid
Both form the genetic material or the memory chip of the cell. Depending on the type of cell, the core genetic material might be the DNA or the RNA. Some viruses are known to possess the RNA as its genetic material. For example, the the HIV (Human Immunodeficiency Virus) is a virus that possess the RNA as its genetic material.
The main and only function of nucleic acids is to hold, protect, replicate, and express the genetic information carried by the cell i the form of proteins.
Although, the RNA is a capable catalyst, and can catalyze cell reactions.
Lipids are structural molecules that form the backbone of each cell. The cell membranes, the membranes of each organelles, the nuclear membranes are each made of phopholipids (lipid-proteins). The lipids of the membranes keep them hydrophobic, thus only allowing hydrophobic materials to pass through by simple diffusion. They also act as energy storage molecules and aid in the production of energy when required.
Recent research also shows that lipids are used for signaling between cells.
Hope this helped! :D
What are acidosis and alkalosis? What can cause each condition and what impact does that have on your body? How can each condition be treated?
Answers
Answer:Acidosis and alkalosis are medical conditions related to the pH balance of the body. The pH value of the body needs to be within a specific range in order for the body to function properly. Acidosis occurs when the pH of the blood drops below 7.35 due to an excess of acid in the blood. On the other hand, alkalosis occurs when the pH of the blood rises above 7.45 due to an excess of base in the blood.
Acidosis can be caused by several factors, including diabetes, kidney disease, lung disease, alcoholism, and certain medications. Symptoms of acidosis can include fatigue, confusion, shortness of breath, and a feeling of being generally unwell. Severe acidosis can lead to shock or coma and is a medical emergency. Treatment for acidosis involves identifying and treating the underlying cause. For example, if acidosis is caused by diabetes, controlling blood sugar levels can help treat the condition.
Alkalosis can be caused by several factors, including vomiting, prolonged vomiting or suctioning of the stomach, overuse of certain medications such as antacids, and conditions like lung disease, liver failure, and congestive heart failure. Symptoms of alkalosis can include confusion, muscle twitches, and a tingling sensation in the fingers and toes. Treatment for alkalosis typically involves identifying and treating the underlying cause. For instance, if alkalosis is caused by vomiting, treating the underlying cause of the vomiting can help resolve the condition.
In some cases, medical intervention may be necessary to correct acidosis or alkalosis. For instance, in severe cases of acidosis, bicarbonate may be administered intravenously to help restore pH balance. In cases of severe alkalosis, treatment may involve discontinuing medications that contribute to the condition and administering intravenous saline or potassium chloride.
Explanation:
2. How could you tell what time of year it was?
Answers
Answer:
Explanation:
Will you can tell by season change
True or False: Immediate treatment is always necessary for those who have an arrhythmia.
*F
Answers
Answer:
False
Explanation:
Some heart arrhythmias do not need treatment. Heart arrhythmia treatment is usually only needed if the irregular heartbeat is causing significant symptoms, or if the condition is putting you at risk of more-serious heart problems.
Answer:
false
Explanation:
diffrences between pine tree and mango tree
Answers
well ones a pine tree, and ones a mango tree
Answer:
A:pine tree is also know as Christmas tree
Explanation:
B:mango tree is broad andextremly big
During a chemical reaction, a fixed amount of iron combines completely with a fixed amount of oxygen to form iron oxide. Which statement best describes the mass of the iron oxide that is produced?
A.The mass is equal to the mass of the iron plus the mass of the oxygen.
B.The mass is greater than the combined mass of both the iron and the oxygen.
C.The mass is equal to the mass of the iron minus the mass of the oxygen before reacting.
D.The mass is less than the mass of the iron but greater than the mass of the oxygen before reacting.
Answers
Answer:
The mass of the iron oxide produced is the mass of the fixed amount of oxygen and fixed iron that reacted together.
This is predicated on the law of conservation of mass.
The law of conservation of mass states that "in a chemical reaction, matter is neither created nor destroyed, but atoms are rearranged".
The mass of the product is found by summing up the mass of the reactants.
So if we add the mass of oxygen and iron together, we get the mass of iron oxide that will be produced.Explanation: