Aggression and reproductive interference are common forms of behavioral interference between closely related species. These interactions often arise as incidental byproducts of everyday activities such as defending resources or competing for mates. Yet, although they resemble familiar within-species behaviors, their ecological and evolutionary consequences can be quite different when they occur between species. Behavioral interference […]
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Abstract:Cousin marriage, practised by over 10% of the world's population, restructures kinship networks by overlapping blood and affinal ties. Theory makes competing predictions about how this affects women. "Protection" accounts argue that consanguinity aligns spouses' interests and increases kin oversight, reducing coercion. "Constraint" accounts emphasise that dense kin involvement can prioritise family cohesion over women's […] |
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Abstract: In virtually all human societies, men and women form stable pair bonds, male reproductive skew is low, children receive considerable care and resources from both of their parents, and nuclear families are part of a set progressively larger social units that commonly include kin, affines, and unrelated members of the same ethnic group. Understanding […] |
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