___________________ gives rise to new species and higher taxonomic groups widely divergent characteristics
A. Macroevolution
B. Microevolution
C. Adaption
D. Population genetics
A. Macro evolution
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The presence of altruistic behavior is most likely due to kin selection, a theory maintaining that _____
A) aggression between sexes promotes the survival of the fittest individuals B) genes enhance survival of copies of themselves by directing organisms to assist others who share those genes C) companionship is advantageous to animals because in the future they can help each other D) critical thinking abilities are normal traits for animals and they have arisen, like other traits, through natural selection E) natural selection has generally favored the evolution of exaggerated aggressive and submissive behaviors to resolve conflict without grave harm to participants
Which of the following genotypes would result in a true-breeding stock?
A. AA or Aa or aa B. Aa, but not AA or aa C. AA, but not Aa or aa D. Aa, but not AA or aa E. AA or aa, but not Aa
In order to meet the conditions of the Hardy-Weinberg predictions, a population must:a
mutate very quickly. b. have a high rate of natural selection. c. have a large number of immigrants. d. have extensive mating rituals. e. be very large.
Which is a description of a fungating tumor?
a. Open, exposed surface tumor b. Containing dead tissue c. Characterized by inflammation d. Large, soft, flesh tumor e. Mushrooming pattern of growth as tumor cells pile on top of each other