In the Delta Science Reader Food Chains and Webs, students read about what an ecosystem is, how living things in an ecosystem get energy, and how ecosystems can change. Students explore the interaction of living things and discuss food chains and webs. The book also presents biographical sketches of key scientists—Charles Darwin and Rachel Carson—and describes the work of an ecologist. Students also will discover the relationship between moose and wolf populations on Isle Royale and consider the changing ecosystems on a mountain.
Delta Science Readers are 24-page nonfiction books for students with informative, engaging full-color photos and graphics that present key science concepts and vocabulary.
Each reader has three main sections:
Student Readers 8 1/2" x 10 7/8", 24 pages