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Which conditions are necessary for natural selection to occur? select all of the answers that apply. a. inheritable adaptations vary among individuals. b. the population size is increasing. c. more individuals are born than can survive. d. fitness varies among individuals. e. the environment changes suddenly and drastically.
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What causes the force that pushes magma from the magma chamber through the pipe and vent of a volcano?
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Which substance contains thylakoids? a) nadph b)atp c)stroma d)chloroplast
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