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Passage Six Rainforests
Tropical rainforests are the most diverse ecosystem on Earth, and also the oldest. Today, tropical rainforests cover only 6 percent of the Earth’s ground surface, but they are home to over half of the planet’s plant and animal species. In this completely unique world, there are thousands of species we have yet to discover.
In this article, we’ll travel into the tropical rainforest to see what makes it such a beautiful environment for plants and animals. We’ll also see why the rainforests are in danger and look at some of the ways this affects us.
What Is a Rainforest
Generally speaking, a rainforest is an environment that receives high rainfall and is dominated by tall trees. A wide range of ecosystems fall into this category, of course, including the old-growth temperate forests of the Pacific Northwest. But most of the time when people talk about rainforests, they m
A. we are familiar with them
B. no more species of rainforests need to be discovered
C. most species will not survive without tropical rainforests on Earth
D. tropical rainforests are the oldest and the most diverse ecosystem