ENG-1.D—Describe food chains and food webs, and their constituent members by trophic level

Describe food chains and food webs, and their constituent members by trophic level.

• A food web is a model of an interlocking pattern of food chains that depicts the flow of energy and nutrients in two or more food chains.
• Positive and negative feedback loops can each play a role in food webs. When one species is removed from or added to a specific food web, the rest of the food web can be affected.
• Enduring understanding ENG-1: Energy can be converted from one form to another.