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Inside Ecosystems and Biomes: Life Science (Science Readers)
Inside Ecosystems and Biomes Life Science - Science Readers
Author: Debra J. Housel, M.S. Ed.
Plants and animals that need one another in an environment form an ecosystem. All ecosystems have energy pyramids that show the exchange of energy from one food source to another. Biomes are areas of the Earth that have their own climate and characteristics. Ecosystems all over the world are in danger due to pollution, hunting, and other factors...  more »
ISBN-13: 9780743905916
ISBN-10: 0743905911
Publication Date: 2/25/2008
Pages: 32
Edition: Ill
Reading Level: Ages 9-12
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Publisher: Teacher Created Materials
Book Type: Paperback
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