24 Hours on the Tundra
Description:... As students read A Day in an Ecosystem, they will journey through the world's driest, coldest, and wildest places. Readers will learn how plants and animals depend on one another and on their environment for survival, and understand the different dangers that threaten these important ecosystems and what is being done to save them. This book explains, what happens throughout a 24-hour cycle of a day, maps, fact sheets and a plant and animal populations list. This book explains key scientific terms and phrases, includes procedures for scientific observation while the text presents information sequentially.
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