Earth's Biosphere

ISBN-10: 1538329859
ISBN-13: 9781538329856
Author: Hofer, Charles
Interest Level: 4-6
Publisher: Rosen Publishing

Publication Date: August 2018

Copyright: 2019

Page Count: 32

Series: Understanding Earth's Systems

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Interest Level

Grades 4-6

Reading Level

Guided Reading: T

Booksource Subjects

BISAC Subjects

JUVENILE NONFICTION / Science & Nature / Environmental Science & Ecosystems

JUVENILE NONFICTION / Science & Nature / Earth Sciences / Geography

The biosphere refers to the parts of Earth where life exists or where known life has existed in the past. The biosphere is comprised of the atmosphere, geosphere, and hydrosphere because life exists in each of those three spheres, from birds in the sky to fish in the water to worms in the dirt. Food chains represent interconnected life cycles in the biosphere. Energy is transferred from one organism to the next and, as apex predators die, nutrients are returned to the soil. Readers will learn how people affect the biosphere and how life and energy are maintained in the biosphere.
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