Viviparity
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In animals, viviparity is the development of the embryo inside the body of the mother, with the maternal circulation providing for the metabolic needs of the embryo's development, until the mother giv
An aphid giving viviparous birth, an unusual mode of reproduction among insects
Hemotrophic viviparity: a mammal embryo (centre) attached by its umbilical cord to a placenta (top) which provides food
Oviparity
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Oviparous animals are animals that reproduce by depositing unfertilized egg cells or fertilized zygotes outside the body in metabolically independent incubation organs, which nurture the embryo into m
Viviparity
…development, until the mother gives birth to a fully or partially developed juvenile that is at least metabolically independent. This is opposed to oviparity, where the embryos develop independently outside the mother in eggs until they are developed enough to break out as hatchlings; and ovoviviparity, where…
Blue jay
Duck billed platypus Scottsdale
Eretmochelys imbricata 519217373
White shark