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In the animal world the colour is very important to nature’s animals. Often it can s1. their lives. Nature is beautiful and we can see its beauty everywhere. Nature is full of c2.. Plants and animals have many beautiful colours. The colour, h3., for animals, is not only beauty. It means life to them because it helps them hide when they met d4. animals.

One kind of butterfly (蝴蝶) is orange and black. Birds do not like e5. them because they have a bad taste. Once a bird eats this kind of butterfly, it remembers the bad taste. A6. that it will never eat another orange and black butterfly!

Some moths (蛾) use colours to make b7. afraid of them. A bird can remember the colours or the mark on moth’s body. The bird sees the colours or the marks and doesn’t eat the moth!

One kind of fish can change its colour. The colour is the s8. as the sea plants or rock around it. O9. fish can’t see it. Of course, the chameleon (变色龙) is the most famous b10. he can change the colour of his body as he walks from a tree to green plants. You can see him turn green as you watch.

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