Educator Guide: Earth May Be Hiding Thousands of Tree Species

Earth may be home to around 73,000 different kinds of trees, new research suggests. Many undetected tree species are probably hiding out in the Amazon (shown) and other biodiversity hot spots in South America, researchers say.
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About this guide
In this guide, students will learn about scientists’ efforts to estimate how many tree species Earth has, analyze a related data visualization and discuss the implications the research has for conservation.
This Guide Includes:
Mapping biodiversity
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