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Exam 2: Compartive
Enrichment 1 PSY 278
Question | Answer |
---|---|
What are two divisions of Darwin’s theory of sexual selection? | Intrasexual and intersexual |
Define intrasexual selection | Members of one sex compete with each other for access to the other sex |
Define intersexual selection | Individuals of one sex choose which individuals of the other sex to takes as mates |
Define sexual selection | Production of offspring by the combination of gametes from two parents |
Define anisogamy | A form of sexual reproduction that involves the union or fusion of two gametes, that differ in size and/or form |
What are two examples of reproductive asymmetry? | Anisogamy and gestation |
Why is it that males are almost always competing for females? | Due to the different type and number of gambit produced by males (sperm, energy required to produce in large quantity) and females (eggs, large but few) |
What is an example of simultaneous hermaphrodite? | Slugs |
What is an example of sequential hermaphrodite? | Clownfish (start as male, become female) |