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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.
Monogamy: One male and one female have an exclusive mating relationship. The term "pair bonding" often implies this. This is associated with one-male, one-female group compositions. There are two types of monogamy: type 1, which is facultative, and type 2, which is obligate. Facultative monogamy occurs when there are very low densities in a ...
Infanticide is observed to be the major cause of mortality in various mammals. Polyandry is thought to evolve from their offspring's vulnerability to infanticide. [31] There is evidence that polyandry is an effective strategy that is adapted by many to increase their offspring survival through the avoidance of male infanticide.
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Monogamy can be partitioned into two categories, social monogamy and genetic monogamy which may occur together in some combination, or completely independently of one another. [1] As an example, in the cichlid species Variabilichromis moorii , a monogamous pair will care for eggs and young together, but the eggs may not all be fertilized by the ...
Monogamy (/ m ə ˈ n ɒ ɡ ə m i / mə-NOG-ə-mee) is a relationship of two individuals in which they form a mutual and exclusive intimate partnership.Having only one partner at any one time, whether that be for life or whether that be serial monogamy, contrasts with various forms of non-monogamy (e.g., polygamy or polyamory). [1]
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]
Polyandry is a mating system by which a female mates with more than one male; the male, in turn, can also mate with more than one female. In a monogamous setting, both male and female consent to having only one mate at any one time and thus mate only with that partner for that time period.