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单词 Polygynandry
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Polygynandry

英语百科

Polygynandry

Polygynandry is a reproductive strategy that occurs when two or more males have an exclusive sexual relationship with two or more females. The numbers of males and females need not be equal. In vertebrate species studied so far, the number of males usually is lower than the number of females in their breeding groups. Some animals follow this behavior regularly, others resort to it in uncharacteristic circumstances.

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