Sharks

Sharks have lived in the oceans for a long time.Sharks were here befor dinosaurs.Sharks skin feels bumpy.It feels like sandpaper.This helps them swim faster and keeps them safe.If a Shark looses a tooth dont worry its a easy fix.A new one moves forward and takes it place.A shark is a odd fish.Did you know that a shark does not have boens.Instead they have cartilage.Cartilage helps you bend your boens,it also helps them twist and turn.Sharks babies are called pups.Some pups grow inside their mother.Other pups hatch from eggs,like a bird.A shark called a lemon grows inside its mother.The mama lemon shark goes to shallow water to give birth.The pups stay naer the shallow water until they are grown.Shark have many rows of teeth.They are always losing some teeth.They are alway growing new teeth.A shark uses up more than 10,000 teeth in its in its life.People are sometimes a danger to sharks .Millions of sharks have die in nets set to catch. Others  are killed on purpuse.I hope you learn alot about shark!I learned this for National Geographic.