Texas Education Agency
Texas Gateway: Energy Transfer Through Food Chains
This tutorial review over food chains and how energy is transferred through them.
CK-12 Foundation
Ck 12: Earth Science: Flow of Energy in Ecosystems
[Free Registration/Login may be required to access all resource tools.] Describes how energy is transferred from one organism to another.
CK-12 Foundation
Ck 12: Life Science: Flow of Energy
[Free Registration/Login may be required to access all resource tools.] When an herbivore eats a plant, the energy in the plant tissues is used by the herbivore. Every time energy is transferred from one organism to another, there is a...
Open Curriculum
Open Curriculum: Flow of Energy in Ecosystems
Students will understand and describe food chains and food webs, and explain how energy is transferred between their trophic levels.
Other
Marietta College: Ecosystems
Complete illustrated discussion of energy flow within ecosystems, including discussions of trophic levels, ecological pyramids, food chains and webs, biological magnification, and cycles.