Search results
Results From The WOW.Com Content Network
Female cycle. The average length of the reproductive cycle for females is 2–4 weeks. Females reach sexual maturity (puberty) between 8 and 18 months of age. There is a tremendous variability in the maturation age between breeds, and even within a breed of dog. [ 5] 1.
Human–animal marriage is a marriage between a human and a non-human animal. This topic has appeared in mythology and magical fiction. [ 1] In the 21st century, there have been numerous reports from around the world of humans marrying their pets and other animals. Human–animal marriage is often seen in accordance with zoophilia, although ...
Human–canine bond. A girl with her dog on Wagifa Island. Human–canine bonding is the relationship between dogs and humans. This relationship can be traced back to at least 15,000 years ago, to the Bonn-Oberkassel dog, who was found buried alongside two humans. [ 1] For centuries, dogs have been considered man's best friend.
Dog breeding is the practice of mating selected dogs with the intention of maintaining or producing specific qualities and characteristics. When dogs reproduce without such human intervention, their offspring's characteristics are determined by natural selection , while "dog breeding" refers specifically to the artificial selection of dogs, in ...
Female and male sexual behaviour differ in many species. Often, males are more active in initiating mating, and bear the more conspicuous sexual ornamentation like antlers and colourful plumage. This is a result of anisogamy, where sperm are smaller and much less costly (energetically) to produce than eggs.
Blue-tailed damselflies. ( Ischnura elegans) mating. 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 ...
Hermaphrodite. Garden snails mating. 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]
v. t. e. In zoology, copulation is animal sexual behavior in which a male introduces sperm into the female's body, especially directly into her reproductive tract. [ 1][ 2] This is an aspect of mating.