AP Environmental Science / Unit 1: The Living World: Ecosystems
1.11 Food Chains and Food Webs
Notes
A food web shows many connected food chains. Removing one species can affect many others (trophic cascade).
Practice
Wolves are removed and deer overgraze plants. This is:
Effects spread down the web.
A food web is more realistic than a food chain because:
Many links.
Arrows in a food web point:
Energy moves to the eater.
Ready for more? Take the Unit 1 test.