Starfish, sometimes called sea stars, are found in all of the world’s oceans, even in the icy Arctic Ocean. They are a kind of ocean invertebrate, which means they lack backbones. All starfish have at least five arms, but some have more. Many kinds of starfish can re-grow arms that are bitten off by predators. Starfish can be dull or colourful and come in many different sizes. Scientists believe there are more than 1,500 types of starfish.
Starfish attack and eat other invertebrates. Some starfish, however, are harmful to undersea communities because they eat special kinds of coral or fish. Starfish are rarely eaten by humans because their bodies are bony and taste bad. Humans often use them as ornaments or collectibles.
Answer the following questions
1 What does the word “lack” mean in the following sentence:
They are a kind of ocean invertebrate, which means they lack backbones.
a have
b don’t have
c eat
d hide in
2 Which of the following facts would make a starfish different from other sea life?
a There are many different kinds of starfish
b They are found in different oceans
c They can re-grow arms that are bitten off
d They can be colourful
3 All starfish have …..
a five or more arms
b backbones
c lots of colours
d less than five arms
4 Where are starfish found?
a Some of the world’s oceans
b Only in icy oceans
c Only where there is coral
d All of the world’s oceans
5 Some starfish….
a taste good
b are eaten by humans
c are harmful
d have backbones
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