Sharks

Post on 23-Feb-2016

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Sharks. By: John . Sharks belong to the class of fish, Chondrichthyes . Some sharks lay eggs and some give live birth. Sharks are Fish. It’s head comes first It’s trunk (dorsal fins) come second It’s tail (caudal fins) come last . S hark. - PowerPoint PPT Presentation

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SharksBy: John

• Sharks belong to the class of fish, Chondrichthyes.

• Some sharks lay eggs and some give live birth

Sharks are Fish

• It’s head comes first

• It’s trunk (dorsal fins) come second

• It’s tail (caudal fins) come last

Shark

Approximately 500 different shark species can be found in all oceans and the vast majority of the seas

throughout the world

A Shark’s habitat

• Almost all sharks are "carnivores" or meat eaters.  They live on a diet of fish and sea mammals (like dolphins and seals) and even such prey as turtles and seagulls.

Carnivore

Interesting Facts• Sharks have

the most powerful jaws on the planet. 

• A shark may grow and use over 20,000 teeth in its lifetime!