Students learn how matter and energy flow in a food chain. They recognize that producers, herbivores, carnivores, omnivores, and decomposers are part of food chains and food webs. They extend the basic food chain in their terrariums by suggesting additional herbivores and carnivores to develop possible food webs.

Student Resources

• 7.1 Vocabulary
• 7.2 Terrarium Log Part D
• 7.3 Energy Pyramid
• 7.4 Food Web
• 7.5 Section 7 Assessment

Learn by Reading

For additional content-area reading, check out the Houghton Mifflin Science eBook: Grade 4, Unit B, pages 38–40.