Sexual selection, Cannibalism and Social Pathology
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What does the Sexual selection hypothesis predict?
A type of post-copulatory competition between males which occurs post-conception. It occurs in the form of infanticide and pregnancy disruption. Following infanticide females should return to sexual receptivity.
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What does the Cannibalism hypothesis predict?
Humanity’s presence results in a food shortage, which adult males account for by eating infants.
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What does the Social pathology explanation predict?
Human presence creates an unnatural environment, results in an increase in population. The resultant overcrowding causes aggression which in turn results in the murder of infants.
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What the types of Female Counter-Strategies?
mmediate responses to alien males, behaviours that minimises the chances of future takeovers, and paternity confusion.
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What are some examples of immediate responses to alien males?
Avoidance and Aggression
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What are examples of behaviours that minimise the chances of future takeovers of infanticide?
Grouping, optimal pride size and attracting a large male coalition.
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What is paternity confusion?
Females in the early stages of pregnancy solicit copulations from the new male so her offspring isn’t killed.
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Other cards in this set
Card 2
Front
A type of post-copulatory competition between males which occurs post-conception. It occurs in the form of infanticide and pregnancy disruption. Following infanticide females should return to sexual receptivity.
Back
What does the Sexual selection hypothesis predict?
Card 3
Front
Humanity’s presence results in a food shortage, which adult males account for by eating infants.
Back
Card 4
Front
Human presence creates an unnatural environment, results in an increase in population. The resultant overcrowding causes aggression which in turn results in the murder of infants.
Back
Card 5
Front
mmediate responses to alien males, behaviours that minimises the chances of future takeovers, and paternity confusion.
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