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38. In a population which displays wide variation in body mass, which of the following graphs BEST displays
natural selection for this characteristic?

39. Which of the following BEST explains the 40. Which of the following features can be
type of natural selection exhibited by the BEST used to determine whether sexually
peppered moths living in a polluted area? reproducing flowering plants, from separate
populations, are members of the same
(A) Stabilizing selection species?
(B) Selection pressure
(C) Directional selection (A) They have the ability to cross-
(D) Disruptive selection fertilize.
(B) They have the ability to cross-
pollinate.
(C) They have the ability to produce
viable seeds.
(D) The viable seeds can produce fertile
gametes.

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02107010/SPEC 2017