Search results
Results From The WOW.Com Content Network
Hermaphrodite. v. t. e. Sexual dimorphism is the condition where sexes of the same species exhibit different morphological characteristics, including characteristics not directly involved in reproduction. [ 1] The condition occurs in most dioecious species, which consist of most animals and some plants.
Hermaphrodite. A hermaphrodite ( / hərˈmæfrəˌdaɪt /) is a sexually reproducing organism that produces both male and female gametes. [ 1] Animal species in which individuals are either male or female are gonochoric, which is the opposite of hermaphroditic. [ 2] The individuals of many taxonomic groups of animals, primarily invertebrates ...
Some chromosomal sex determination systems in animals. A sex-determination system is a biological system that determines the development of sexual characteristics in an organism. [ 1] Most organisms that create their offspring using sexual reproduction have two common sexes and a few less common intersex variations.
Homosexual behaviour is demonstrated by 120 known species of birds. [41] While an uptick in research on bird homosexuality – and animal homosexuality in general – has been coming out in recent years, it's common for some authors to labour in articulating the view any root cause or function of bird homosexuality is poorly understood.
List of mammals displaying homosexual behavior. Giraffes in Kenya; giraffes have been called "especially gay " for engaging in male-male sexual behavior more often than male-female ( heterosexual) sex. [ 1][ 2] This is a list of mammals for which there is documented evidence of homosexual behavior. These animals have been observed practicing ...
Homosexual behavior in animals. Two male mallards ( Anas platyrhynchos) Various non-human animal species exhibit behavior that can be interpreted as homosexual or bisexual, often referred to as same-sex sexual behavior (SSSB) by scientists. This may include same-sex sexual activity, courtship, affection, pair bonding, and parenting among same ...
An adult human's Adam's apple, a visible secondary sex characteristic common in males. A secondary sex characteristic is a physical characteristic of an organism that is related to or derived from its sex, but not directly part of its reproductive system. [ 1] In humans, these characteristics typically start to appear during puberty.
A study on the association of alpha males and females during the non-breeding season in wild Capuchin monkeys (Cebus apella nigritus) examined whether alpha males are the preferred mate for females and, secondly, whether female-alpha status and relationship to the alpha-male can be explained through the individual characteristics and or social network of the female. [4]