Definition of Viviparous shell. Meaning of Viviparous shell. Synonyms of Viviparous shell

Here you will find one or more explanations in English for the word Viviparous shell. Also in the bottom left of the page several parts of wikipedia pages related to the word Viviparous shell and, of course, Viviparous shell synonyms and on the right images related to the word Viviparous shell.

Definition of Viviparous shell

Viviparous shell
Viviparous Vi*vip"a*rous, a. [L. viviparus; vivus alive + parere to bear, bring forth. Cf. Viper.] (Biol.) Producing young in a living state, as most mammals, or as those plants the offspring of which are produced alive, either by bulbs instead of seeds, or by the seeds themselves germinating on the plant, instead of falling, as they usually do; -- opposed to oviparous. Viviparous fish. (Zo["o]l.) See Embiotocoid. Viviparous shell (Zo["o]l.), any one of numerous species of operculated fresh-water gastropods belonging to Viviparus, Melantho, and allied genera. Their young, when born, have a well-developed spiral shell.

Meaning of Viviparous shell from wikipedia

- similar to a live birth. The term "viviparity" and its adjective form "viviparous" both derive from the Latin vivus, meaning "living"; and pario, meaning...
- The viviparous lizard, or common lizard, (Zootoca vivipara, formerly Lacerta vivipara) is a Eurasian lizard. It lives ****her north than any other species...
- scenarios, some fish such as the hammerhead shark and reef shark are viviparous, with the egg being fertilized and developed internally, but with the...
- cartilaginous fishes, however, are truly viviparous, giving birth to live young, and producing no egg s****. In these forms, the ovisac nurtures the developing...
- river snails. This species is a viviparous (ovoviviparous) snail. The height of the s**** is 25–35 mm. The width of the s**** is 20–26 mm. Males are 2 mm...
- Most reptiles are oviparous, although several species of squamates are viviparous, as were some extinct aquatic clades  – the fetus develops within the...
- (genus Nerodia) and garter snakes (genus Thamnophis), S. dekayi is a viviparous species, giving birth to live young. ****ual maturity is reached at two...
- leaving them undisturbed. The divergence between oviparous (egg-laying) and viviparous (offspring develop internally) mammals is believed to date to the Tri****ic...
- the reproductive tract of the mother to be born later as live young in viviparous organisms. Internal fertilization evolved many times in animals.: 2  According...
- development in the mother. This is one major difference from rays, which are viviparous, meaning they give birth to live young. When a female skate is fertilized...