The result of natural selection is changes in
a. individuals.
b. populations.
c. kingdoms.
d. phyla.
e. animals only
B
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Which of the following is a reactant used in the light-dependent reactions?
a. carbon dioxide b. glucose c. oxygen d. water
The method of movement that requires the expenditure of ATP molecules is
a. simple diffusion. b. facilitated diffusion. c. osmosis. d. active transport. e. passive transport.
Which hominin was the first to leave Africa? (hint: make sure to know why the others are important as well)
A. Neandertals B. Homo erectus C. Australopithecus afarensis D. Homo habilis
You are driving at night and decide to pass a slow-moving car. You notice that although you can see the car, you can't tell what color it is. This is due to
A) the poor ability of cones to function in low light. B) the poor ability of rods to function in low light. C) a reduced ability to focus in low light situations. D) the constriction of your pupil in low light situations, which reduces color vision.