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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 precise meaning depends upon the context. With respect to animals , the term describes which males and females mate under which circumstances. Recognised systems include monogamy , polygamy (which includes polygyny , polyandry , and polygynandry ), and promiscuity , all of which lead to different mate choice outcomes and thus these systems ...
Jacana spinosa – Palo Verde National Park, Costa Rica. In behavioral ecology, polyandry is a class of mating system where one female mates with several males in a breeding season.
Polyandry (/ ˈ p ɒ l i ˌ æ n d r i, ˌ p ɒ l i ˈ æ n-/; from Ancient Greek πολύ (polú) 'many' and ἀνήρ (anḗr) 'man') is a form of polygamy in which a woman takes two or more husbands at the same time.
Polygyny (/ p ə ˈ l ɪ dʒ ɪ n i /; from Neo-Greek πολυγυνία, from πολύ-(polú-) 'many' and γυνή (gunḗ) 'woman, wife') [1] is a mating system in which one male lives and mates with multiple females but each female only mates with a single male.
Polygynandry also exists, in which two males jointly defend a territory containing several females. Polyandry, though, is the most common mating system of dunnocks found in nature. Polyandry, though, is the most common mating system of dunnocks found in nature.
In a group of clownfish, there is a strict dominance hierarchy. The largest and most aggressive female is found at the top. Only two clownfish, a male and a female, in a group reproduce through external fertilisation. Clownfish are sequential hermaphrodites, meaning that they develop into males first, and when they mature, they become females.
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.