阅读下面短文，用方框中所给的单词或短语填空，使短文在结构、句义和逻辑上正确。（提示：方框中有二个单词或短语是多余的。）

order / protect / different / frighten / danger / taken down / cut down

Many animals live in the Amazon Rainforest, a very big forest in South America. But the rainforest is much smaller than before and many trees are at risk of being 【小题1】. This means that more animals are losing their homes. One example is the “poison dart” frog (箭青蛙). These very little frogs are in 【小题2】 colors—red, yellow or blue, and they have black spots. The frogs often use these to 【小题3】 other animals. But the trees they live in are in 【小题4】. As a result, so are the frogs. It’s very important for people to take action to 【小题5】 the rainforest right away!