Field Guides for Kids: Trees

Field Guides for Kids: Trees — page 3
WHAT IS A TREE Trees cover nearly 30 percent of Earth’s land surface They Trees cover nearly 30 percent of Earth’s land surface They can thrive in many different environments tundra deserts rain forests and mountains Sometimes people take trees from their native areas and grow them elsewhere Trees can be used to make a wide variety of everyday products such as paper clothing candles shampoo tires toothpaste and much more WHAT DO TREES DO Trees do a lot of work to keep Earth healthy People sometimes call them the lungs of the Earth That’s because they can do many things including Filter polluted air Produce oxygen Provide food and shelter for animals insects and people all over the world Store carbon in their leaves and trunks Because of a tree’s ability to store carbon there’s growing evidence that planting more trees and stopping the destruction of forests can help counter the negative effects of climate change CATEGORIES OF TREES Scientists often define a tree as a living organism that has a root system woody stem and branches that form a crown True trees typically grow to be at least 12 feet 3 6 m tall They are also perennial plants which means they continue to grow year after year Trees belong to two main categories of plants Trees belong to two main categories of plants gymnosperms and angiosperms gymnosperms and angiosperms