What does the term viviparous mean?

producing living young
1 : producing living young instead of eggs from within the body in the manner of nearly all mammals, many reptiles, and a few fishes. 2 : germinating while still attached to the parent plant the viviparous seed of the mangrove.

What is Ovoviviparity in biology?

: producing eggs that develop within the maternal body (as of various fishes or reptiles) and hatch within or immediately after release from the parent.

What does en croute mean?

crust
Rate & Review. The French term used in reference to any type of food that is partially cooked, encased in a pastry shell and then baked before serving. When translated “croûte” means crust and can also refer to breads that have been toasted with the center removed to allow the bread to encase other foods.

How is ovoviviparity similar to viviparous species?

Ovoviviparity. Ovoviviparous animals are similar to viviparous species in which there is internal fertilization and the young are born alive, but differ in that there is no placental connection and the unborn young are nourished by egg yolk; the mother’s body does provide gas exchange .

How does the ovoviviparity of a shark work?

Ovoviviparity (aplacental viviparity) is a mode of reproduction in s harks (and other animals) in which embryos develop inside eggs that are retained within the mother’s body until they are ready to hatch. Ovoviviparous sharks are similar to viviparous species in that there is internal fertilization and the young are born…

How is an ovoviviparous animal nourished?

Ovoviviparous offspring are first nourished by yolk from their egg sac. After hatching, they remain inside their mothers’ bodies, where they continue to mature. Ovoviviparous animals do not have umbilical cords that attach embryos to their mothers, nor do they have placenta with which to provide food, oxygen, and waste exchange.

Are there any animals that are oviviparous?

In oviparity, the eggs may or may not be fertilized internally, but they are laid and rely on the yolk sac for nourishment until they hatch. Certain species of sharks (such as the basking shark), as well as guppies and other fish, snakes, and insects are ovoviviparous, and it’s the only form of reproduction for rays.