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because some sharks are different. most sharks give live birth and only about 40% of sharks lay eggs and there is 400 species of sharks.

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Q: Why do some sharks give live birth?
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Related questions

How many sharks give live birth?

Some sharks lay eggs on the bottom of the ocean, called devil's wheelbarrows or mermaid's purses. Most sharks give birth to live young.


What Sharks give live birth?

yes there is only one shark that gives birth a lemon shark but some times a great white can give live birth


A sharks eggs help the shark to do what?

They help it reproduce get it. Some sharks give live birth.


Do Sharks give birth or lay eggs?

sharks do not lay eggsShark species all lay eggs but some species retain their eggs inside them and give birth to live young when these eggs hatch.it could be either. some sharks give birth and some lay eggs. it depends on what shark it is.Sharks give birth to live young.live birthshark give birth to babiesthey give live birth unlike other cartiligious fishThey give birth live, by keeping their eggs in their bodies.


What animal that not mammal born alive?

Some sharks give live birth.


Do sharks give birth to young alive or lays eggs?

Both. Most do give live birth but some species lay eggs


Do sharks have eggs?

Actually, yes and no. Some sharks are egg-layers, while most give birth to live pups.


Are sharks the only fish that have live babies?

Not all sharks have live young. Some lay eggs like most fish do but to answer your question, no, sharks are not the only fish that give live birth. Guppies, mollies, swordtails and other members of the family Poeciliidae, as well as members of other fish families, give live birth.


Are great white sharks born live or from eggs?

They are ovoviviparous; they give birth to live young.Great White Sharks have live birth, even though they are fish. They give birth to 1 to 3 live young but the mother does not care for them.


Why are some sharks called nurse sharks?

It is the species  Also because the have a live birth


What do female Great White Sharks carry their babies in?

the cool thing about sharks is some have the egg in there tummy and then hatch it live some just hatch the egg and leave the egg on the sea floor then theres others were they just give live birth.


Do sharks lay eggs or have babies?

Different species of sharks exhibit different birthing styles. Some are Oviparous (egg layers), some are Ovoviviparous (eggs develop inside the mother and then the mother gives live birth but doesnt give nourishment to the babies via a placenta), and some are viviparous (live birth with placental nourishment)