The role that humans play in artificial selections to...
a. determine who lives and who dies
b. create the genetic variants, which nature then selects
c. choose which organism to breed, and which do not
d train organisms to breed more successfully
e. perform artificial insemination
Ans: c. choose which organism to breed, and which do not
You might also like to view...
Which of the following is not true of mammals?
A. They feed their young with mammary glands. B. They all have live births instead of laying eggs. C. They all have hair. D. They are vertebrates.
what depresses NK cells?
What will be an ideal response?
A rancher is suspected of shooting wolves near Yellowstone National Park, and you have been enlisted to go have a chat with him. The rancher doesn’t see any benefit to having the wolves there. What do you say?
A. "If there are no predators like wolves, just one pair of jackrabbits can quickly create a population with explosive, logistic growth. Wolves help reduce the fecundity rate, keeping the population at a reasonable level." B. "If there are no predators like wolves, just one pair of jackrabbits can quickly create a population with explosive, exponential growth. Wolves help reduce the carrying capacity, keeping the population at a reasonable level." C. "If there are no predators like wolves, just one pair of jackrabbits can quickly create a metapopulation. Wolves help reduce the biotic potential, keeping the population at a reasonable level." D. "If there are no predators like wolves, just one pair of jackrabbits can quickly create a population with explosive, density-dependent growth. Wolves help reduce the age structure, keeping the population at a reasonable level." Clarify question: What is the key concept addressed by the question? In this question you are being asked to explain the benefits of having wolves. What type of thinking is required? This is an analysis question, you will need to break the question down into its components in order to get to the answer. Gather Content: What do you already know about the benefits of wolves in a community? What other information is related to the question? Choose Answer: Given what you now know, what information is most likely to produce the correct answer? Reflection on Process: Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
A population pyramid:
a. reflects the number of individuals in various age groups in a population. b. predicts survival and mortality rates for an individual at a given age. c. directly predicts future age distributions of the population. d. shows the current birth and death rates of a population.