The Theory Proposed by Robert Trivers (1972) Used Sex Differences

question 189

Multiple Choice

The theory proposed by Robert Trivers (1972) used sex differences in parental investment to explain different mating systems. If females of a species have high parental investment and necessary male parental investment is low, Trivers' theory predicts that _______________ would be most common.

• A)polygyny
• B)monogamy
• C)polyandry
• D)polygynandry

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