2. Organisms and the Environment

3. Chapter Five: Ecosystems
5.1 Ecosystems, Energy, and Nutrients
5.2 Food Chains and Food Webs
5.3 Ecosystems- A Natural Balance

4. Food Webs- A Delicate Balance
Investigation 5A
Food Webs- A Delicate Balance
How is energy transferred from organism to organism in an ecosystem?

5. 5.2 What is a food chain?
A food chain shows how each member of an ecosystem gets its food.
A simple food chain links a producer, an herbivore, and one or more carnivores.
Which is the carnivore?

7. 5.2 Energy and food chains
A diagram in the shape of a pyramid is a good way to show how energy moves from one feeding level to the next in a food chain.

8. 5.2 Food webs Most animals are part of more than one food chain.
We can connect many food chains to form a food web.

10. Food Web – Concept Map What’s missing