Search results
Results From The WOW.Com Content Network
Sexual dimorphism is the condition where the two sexes of the same species exhibit different characteristics beyond the differences in their sexual organs. It can involve size, color, shape, behavior, and other traits. Learn more about the causes, examples, and implications of sexual dimorphism on Wikipedia.
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, are ...
List of animal names. Mother sea otter with sleeping pup, Morro Bay, California. In the English language, many animals have different names depending on whether they are male, female, young, domesticated, or in groups. The best-known source of many English words used for collective groupings of animals is The Book of Saint Albans, an essay on ...
Sexual cannibalism is a behaviour in which a female animal kills and consumes the male before, during, or after copulation. Sexual cannibalism confers fitness advantages to both the male and female. [78] Sexual cannibalism is common among insects, arachnids [79] and amphipods. [79]
e. Sequential hermaphroditism (called dichogamy in botany) is one of the two types of hermaphroditism, the other type being simultaneous hermaphroditism. It occurs when the organism's sex changes at some point in its life. [1] A sequential hermaphrodite produces eggs (female gametes) and sperm (male gametes) at different stages in life. [2]
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.
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-sex animal pairs.
Zoophilia is a paraphilia in which a person experiences a sexual fixation on non-human animals. [1] [2] Bestiality instead refers to cross-species sexual activity between humans and non-human animals. [a] Due to the lack of research on the subject, it is difficult to conclude how prevalent bestiality is. [4]