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Outline and evaluate the evolutionary explanation of Parental
Investment (24 Marks):

Trivers defines parental investment as any investment made by the parent in an
individual offspring that increases the offspring's chance of surviving at the cost of
the parent's ability to invest in other offspring.

Female investment tends to be…

Page 2

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To verify if the lack of commitment was due to nature or nurture, Geher asked 91
students from New York University to complete a parental investment perception
scale to measure how they see themselves as parents in the future. There were no
difference between males and females. This suggests that…

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