Do sharks lay eggs or give birth to live young?

Answer

Some species of sharks lay eggs while the other species give birth to live young ones. The gestation period for sharks is approximately two years. Some sharks mate for an entire year while others mate in certain seasons of the year.
Q&A Related to "Do sharks lay eggs or give birth to live young..."
they are born live because they are a mammal according to mammalrule.com thank u.
http://wiki.answers.com/Q/What_do_armadillos_give_...
Duck-Billed Platypuses breed by laying soft shelled
http://www.chacha.com/question/what-do-duck-billed...
It is all about the way the snake is designed and it's evolutionary lineage. Some snakes are designed to produce eggs inside of their bodies while others cannot and vice-a-versa.
http://answers.yahoo.com/question/index?qid=200903...
Not all fish lay eggs. Some are called 'livebearers' and give birth to 'live' young. Actually these fish do go through the egg stage but retain the eggs in the mother's body until
http://uk.answers.yahoo.com/question/index?qid=200...
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