Which of the following is often provided by anthropologists and biologists as a possible explanation for the development of bipedal hominids? a. standing upright allowed for better tree climbing b. standing upright allowed for more efficient movement c. standing upright allowed for sightlines over tall grasses and savannah shrubbery d. standing upright allowed for better foraging of tree fruits
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What do we call an individual that has inherited two identical alleles for the same trait? a.homozygous b.heterozygous c.monozzygous
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Some species of wasps are social. the queen starts a colony from scratch each spring. she builds a small nest, and lays and raises a group of female workers. the workers enlarge the nest while the queen continues to lay eggs. unfertilized eggs become males that mate with newly hatched females. all of the wasps except the newly fertilized females die by the summer. which best describes this behavior? a)it is beneficial only to the males that do not fertilize eggs. b)it is beneficial only to the female workers that are not fertilized. c)it is beneficial to each one of the individual colony members. d)it is beneficial to the whole species, but not to all of the individual members.
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Which of the following is often provided by anthropologists and biologists as a possible explanation...
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