7. Speak » Read the article in exercise 5 again. Discuss the questions with a partner. When people cut down trees, animals lose their habitat. When people pollute rivers, ... a. What are some characteristics of ecosystems? b. According to the article, what happens when something does not work in an ecosystem?
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There are several different types of rainforests.
Rainforests cover less than 3 percent of the planet.
The world's largest rainforest is the Amazon rainforest.
Rainforests house more species of plants and animals than any other terrestrial ecosystem.
Much of the life in the rainforest is found in the trees
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