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Polygynandry is a mating system in which both males and females have multiple mating partners during a breeding season. [1] In sexually reproducing diploid animals, different mating strategies are employed by males and females, because the cost of gamete production is lower for males than it is for females. [ 2 ]
The queen will then store the sperm collected from these multiple matings in her spermatheca to use to fertilize eggs throughout the course of her entire reproductive life. Polygynandry: Polygynandry is a slight variation of this, where two or more males have an exclusive relationship with two or more females; the numbers of males and females ...
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Gorilla Great reed warbler. When two animals mate, they both share an interest in the success of the offspring, though often to different extremes. Unless the male and female are perfectly monogamous, meaning that they mate for life and take no other partners, even after the original mate's death, the amount of parental care will vary. [7]
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For example, polyandry in the Himalayan mountains is related to the scarcity of land. The marriage of all brothers in a family to the same wife allows family land to remain intact and undivided. If every brother married separately and had children, family land would be split into unsustainable small plots.
It extends the definition of polygamy to having any kind of conjugal union with more than one person at the same time. Also anyone who assists, celebrates, or is a part to a rite, ceremony, or contract that sanctions a polygamist relationship is guilty of polygamy. Polygamy is an offence punishable by up to five years in prison.
A common example of polyandrous mating can be found in the field cricket (Gryllus bimaculatus) of the invertebrate order Orthoptera (containing crickets, grasshoppers, and groundhoppers). Polyandrous behavior is also prominent in many other insect species, including the red flour beetle , the adzuki bean weevil , and the species of spider ...