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An aphid giving viviparous birth, an unusual mode of reproduction among insects. In animals, viviparity is 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 gives birth to a fully or partially developed juvenile that is at least metabolically independent.
The viviparous lizard, or common lizard, (Zootoca vivipara, formerly Lacerta vivipara) is a Eurasian lizard. It lives farther north than any other species of non-marine reptile, and is named for the fact that it is viviparous , meaning it gives birth to live young (although they will sometimes lay eggs normally). [ 3 ]
Pages in category "Lists of animals by country" The following 6 pages are in this category, out of 6 total. This list may not reflect recent changes. ...
This is a list of countries that have officially designated one or more animals as their national animals. Most species in the list are officially designated. Some species hold only an "unofficial" status. Additionally, the list includes animals that were once official but are no longer, as well as animals recognized as national symbols or for ...
The following is a list of the classes in each phylum of the kingdom Animalia. There are 107 classes of animals in 33 phyla in this list. However, different sources give different numbers of classes and phyla. For example, Protura, Diplura, and Collembola are often considered to be the three orders in the class Entognatha. This list should by ...
The biologist Thierry Lodé proposed (2001, 2012) five modes of reproduction based on the relationship between the zygote (fertilised egg) and the parents: [1] [2]. Ovuliparity: fertilisation is external, the oocytes being released into the environment and fertilised outside the body by the male. [1]
Zenarchopteridae, the viviparous halfbeaks, is a family of ray-finned fishes in the order Beloniformes. The Zenarchopteridae exhibit strong sexual dimorphism , practicing internal fertilisation , and in some cases ovoviviparous or viviparous (the family also includes oviparous species).
Viviparous fish are fish that give birth to live young, the eggs develop whilst receiving nutrition from the parent.. See also:Category:Ovoviviparous fish - fish which give birth to live young which do not receive nourishment from the parent whilst in the womb.