Starfish are very popular with children.They are often calle

Starfish are very popular with children.They are often called “sea stars” and they aren’t part of the fish family.There are more than 2,000 kinds of starfish in the world.The smallest starfish is only 1 or 2 centimeters wide.The largest is more than 60 centimeters wide.Starfish are very strange.They have no front or back.They move very slowly but they can move in any direction without turning.They don’t always have five arms.Some have four,six or even more.They can grow a new arm if one of their arms is damaged (损坏).Starfish eat corals and other starfish.Some of them eat meat,too.Also,starfish have no brain,but they can change color.
1.How many kinds of starfish in the world?
There are __________________________.
2.How do starfish move?
__________________________________
3.Do starfish always have five arms?
__________________________________
4.What can starfish grow if one of their arms is damaged?
They can___________________________ .
5.Starfish can change color,can’t they?
__________________________________
6.What do you think of starfish?
___________________________________
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