The Trivers-Willard Hypothesis Predicts That __________

question 28

Multiple Choice

The Trivers-Willard hypothesis predicts that __________.

• A) in polyandrous mating systems, parents will bias investment toward daughters in better conditions
• B) parents will invest more in sons when the parents are in good condition
• C) in polyandrous mating systems, parents will bias investment toward sons in poor conditions
• D) parents will invest more in sons when the parents are in poor conditions

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Definitions:

Sexual Dimorphism

The condition where two sexes of the same species exhibit different characteristics beyond the differences in their sexual organs.

Sahelanthropus

An extinct genus of hominids believed to be one of the earliest members of the human lineage, dating back to approximately 7 million years ago.

Hominin Discovered

Refers to the finding of fossils or evidence of ancient human ancestors, extending the understanding of human evolution.

Homo Neanderthalensis

Human species living in Europe and western Asia from about 250,000 to 28,000 years ago; may have interbred with modern humans (Homo sapiens).