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In most female mammals, the act of copulation is controlled by several innate neurobiological processes, including the motor sexual reflex of lordosis. [14] In males, the act of copulation is more complex, because some learning is necessary, but the innate processes (retrocontrol of penis intromission in the vagina , rhythmic movement of the ...
Flamingos or flamingoes [a] (/ f l ə ˈ m ɪ ŋ ɡ oʊ z /) are a type of wading bird in the family Phoenicopteridae, which is the only extant family in the order Phoenicopteriformes. There are four flamingo species distributed throughout the Americas (including the Caribbean), and two species native to Afro-Eurasia.
In biology, mating is the pairing of either opposite-sex or hermaphroditic organisms for the purposes of sexual reproduction. Fertilization is the fusion of two gametes . [ 1 ] Copulation is the union of the sex organs of two sexually reproducing animals for insemination and subsequent internal fertilization . [ 2 ]
Biology and sexual orientation; Ethology is the scientific study of animal behavior, and a branch of zoology; cognitive ethology fuses cognitive science and classical ethology to observe animals under more-or-less natural conditions; Evolutionary biology; Homosexual behavior in animals § Birds; Innate bisexuality; Sexual selection
Lesser flamingos grow to be 2.6-2.9 feet tall and grow to weigh 3.3 to 4.4 pounds, according to the zoo. At hatching, a chick is about the size of a tennis ball and has gray down feathers instead ...
The biology of depression is the attempt to identify a biochemical origin of depression, as opposed to theories that emphasize psychological or situational causes. Scientific studies have found that different brain areas show altered activity in humans with major depressive disorder (MDD) . [ 1 ]
Phoenicopteriformes / f iː n ɪ ˈ k ɒ p t ə r ɪ f ɔːr m iː z / is a group of water birds which comprises flamingos and their extinct relatives. Flamingos and the closely related grebes ( Podicipedidae ) are contained in the parent clade Mirandornithes .
The biology of romantic love has been explored by such biological sciences as evolutionary psychology, evolutionary biology, anthropology and neuroscience.Specific chemical substances such as oxytocin and dopamine are studied in the context of their roles in producing human experiences, emotions and behaviors that are associated with romantic love.