Which of the following did not exert selective pressure that acted in favor of having a large brain in humans?
A. tool use
B. social living
C. language
D. being bipedal
D
Biology & Microbiology
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The bird with the largest wings, also a marine bird, is called the:
a. frigate bird. b. pelican. c. albatross. d. gull. e. cormorant.
Biology & Microbiology
Researchers attempt to explain the persistence of
altruism by the theory of a. self-sacrificing behavior. b. dominance hierarchy. c. social behavior. d. iinclusive fitness e. sexual selection.
Biology & Microbiology
Which biome has the shortest growing season?
a. tundra b. taiga c. grassland d. desert e. tropical rain forest
Biology & Microbiology
Why do many antiviral drugs resemble nucleotides?
a. because they inhibit DNA ligase b. because they are easily obtained c. because they inhibit DNA polymerase d. because they are isolated from plants
Biology & Microbiology