Homework Answers
Beetles that are decomposers have less biomass and get less energy, therefore herbivores are more than decomposers.
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Question 8 1 pts There are more species of herbivorous beetles than beetles which are decomposers...
Question 1 1 pts Which of the following is true? Viruses cannot evolve because they are...
Question 1 1 pts Which of the following is true? Viruses cannot evolve because they are not technically alive; they cannot replicate on their own When viruses hijack a host's cells to replicate, mistakes made in the copying of their DNA or RNA can generate a huge number of genetic variants in the virus population A mutation in the molecules involved in binding to a host cell that allows binding to a new host species will not affect the virus's...
Use the diagram to answer the next question. 35. There are 1,500kg of energy in the producers in ...
Use the diagram to answer the next question. 35. There are 1,500kg of energy in the producers in this ecosystem. How much energy is available to the snake? a) 15,000 kg b) 15 kg ) lkg d) 1.5kg e) 0.15kg 38.A few birds of the founder hummingbird population feed on white-flowered plants, which they pollinate ower to flower, brushing against the flowers as they feed. If on this island, a deadly would correctly predict that if the disease became a...
1. Is mixed state of two atomic species more stable than the separated state? a. Yes,...
1. Is mixed state of two atomic species more stable than the separated state? a. Yes, always b. No, always c. It depends on materials 2. If two patterns are incommensurate, what will happen? a. Both patterns disappear b. Lower energy pattern prevails over the other one c. Higher energy pattern prevails over the other one 3. At absolute zero temperature (0 K), what kind of change in atomic arrangement will occur, naturally? a. Positive charge ions swap with negative...
Question 9 1 pts Changes in ploidy in plants are typically tolerated and have minor effects...
Question 9 1 pts Changes in ploidy in plants are typically tolerated and have minor effects on survival or fertility, and it can often lead to rapid speciation. How are these changes preserved in the next generation? The ability to self-fertilize enables the plant to reproduce with itself, preserving the new ploidy levels. O The changes can only be preserved in the next generation in plants that are capable of asexual reproduction. O The changes are preserved via cross-pollination with...
Question 1 2 pts Which statement represents a result of natural selection! o the best adapted...
Question 1 2 pts Which statement represents a result of natural selection! o the best adapted individuals have lower ness ele frequency in a population does not change Onewalls are added to the population seeded O different phenotypes with a species we favored in different habitats Question 2 2 pts When we say that one individual is more fit has higher fitness than other individuals, we mean that it produces more later than others in the population compete for food...
Question 25 4 pts Which of these is more true for a big animals than it...
Question 25 4 pts Which of these is more true for a big animals than it is for small animal? rapid loss of body heat O requires a lot of oxygen high metabolic rates O high surface area to volume ratios all of the above Question 30 4 pts In 1976, the average beak depth of Geospiza fortis was 9.5 mm. Which of the following was not true in 1978, after the drought. the average beak depth increased O changes...
QUESTION 19 Why is it very difficult to fight viral infections? O A virus is not...
QUESTION 19 Why is it very difficult to fight viral infections? O A virus is not alive and therefore impossible to kill. It is hard to destroy a virus without damaging the host. The cell wall of a virus is too thick to penetrate. The RNA and DNA of a virus is too different. O A and B QUESTION 20 Which is better for you: a drug that is a natural product or one that is synthetic? Whether a drug...
Question 8 1 pts Molecules with more polar covalent bonds are more stable and have a...
Question 8 1 pts Molecules with more polar covalent bonds are more stable and have a lower potential energy than molecules with non polar covalent bonds. O True O False
there should be more than one answer Question 3 1 pts One of the observed effects...
there should be more than one answer
Question 3 1 pts One of the observed effects of relativistic travel is length contraction. Which of the following statements describes how an observer experiences length contraction? The observer measures objects that move past them as shorter than if they were at rest. No objects actually change size The observer measures a change in all three spatial dimensions Bength width and height of an object that they move past The observer measures that...
Question 19 1 pts Which of the following is NOT true about traits affected by more...
Question 19 1 pts Which of the following is NOT true about traits affected by more than one gene? The combination of selection and recombination due to sexual reproduction can produce new, more extreme phenotypes not previously seen in the population When a phenotype is dependent on the interaction between two genes, and is not just the sum of their effects independently, this is called an epistatic interaction The effects of selection on one trait never influence the trait values...
Question 1 1 pts Which of the following is true? Viruses cannot evolve because they are not technically alive; they cannot replicate on their own When viruses hijack a host's cells to replicate, mistakes made in the copying of their DNA or RNA can generate a huge number of genetic variants in the virus population A mutation in the molecules involved in binding to a host cell that allows binding to a new host species will not affect the virus's...
Use the diagram to answer the next question. 35. There are 1,500kg of energy in the producers in this ecosystem. How much energy is available to the snake? a) 15,000 kg b) 15 kg ) lkg d) 1.5kg e) 0.15kg 38.A few birds of the founder hummingbird population feed on white-flowered plants, which they pollinate ower to flower, brushing against the flowers as they feed. If on this island, a deadly would correctly predict that if the disease became a...
1. Is mixed state of two atomic species more stable than the separated state? a. Yes, always b. No, always c. It depends on materials 2. If two patterns are incommensurate, what will happen? a. Both patterns disappear b. Lower energy pattern prevails over the other one c. Higher energy pattern prevails over the other one 3. At absolute zero temperature (0 K), what kind of change in atomic arrangement will occur, naturally? a. Positive charge ions swap with negative...
Question 9 1 pts Changes in ploidy in plants are typically tolerated and have minor effects on survival or fertility, and it can often lead to rapid speciation. How are these changes preserved in the next generation? The ability to self-fertilize enables the plant to reproduce with itself, preserving the new ploidy levels. O The changes can only be preserved in the next generation in plants that are capable of asexual reproduction. O The changes are preserved via cross-pollination with...
Question 1 2 pts Which statement represents a result of natural selection! o the best adapted individuals have lower ness ele frequency in a population does not change Onewalls are added to the population seeded O different phenotypes with a species we favored in different habitats Question 2 2 pts When we say that one individual is more fit has higher fitness than other individuals, we mean that it produces more later than others in the population compete for food...
Question 25 4 pts Which of these is more true for a big animals than it is for small animal? rapid loss of body heat O requires a lot of oxygen high metabolic rates O high surface area to volume ratios all of the above Question 30 4 pts In 1976, the average beak depth of Geospiza fortis was 9.5 mm. Which of the following was not true in 1978, after the drought. the average beak depth increased O changes...
QUESTION 19 Why is it very difficult to fight viral infections? O A virus is not alive and therefore impossible to kill. It is hard to destroy a virus without damaging the host. The cell wall of a virus is too thick to penetrate. The RNA and DNA of a virus is too different. O A and B QUESTION 20 Which is better for you: a drug that is a natural product or one that is synthetic? Whether a drug...
Question 8 1 pts Molecules with more polar covalent bonds are more stable and have a lower potential energy than molecules with non polar covalent bonds. O True O False
there should be more than one answer
Question 3 1 pts One of the observed effects of relativistic travel is length contraction. Which of the following statements describes how an observer experiences length contraction? The observer measures objects that move past them as shorter than if they were at rest. No objects actually change size The observer measures a change in all three spatial dimensions Bength width and height of an object that they move past The observer measures that...
Question 19 1 pts Which of the following is NOT true about traits affected by more than one gene? The combination of selection and recombination due to sexual reproduction can produce new, more extreme phenotypes not previously seen in the population When a phenotype is dependent on the interaction between two genes, and is not just the sum of their effects independently, this is called an epistatic interaction The effects of selection on one trait never influence the trait values...
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