Jumping Spider Dances:
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Principles of Animal Behavior:
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a. For both to occur, there must be variation in a trait or traits within a population.
b. Variation in traits must be heritable (genetically based).
c. Selection operates when individuals with certain variations have more offspring than other individuals with other variations.
d. Selection operates between individuals of the same species.
e. In both types of selection, direct competition between individuals must occur.
Incorrect... this actually *is* a similarity of sexual and natural selection, and the question asked for a statement that is NOT a similarity, this answer is incorrect.
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