CK-12 Foundation
Ck 12: Episd: Energy Pyramids
[Free Registration/Login may be required to access all resource tools.] Understand how energy flows within ecosystems through the use of energy pyramids.
CK-12 Foundation
Ck 12: Episd Biology: Flow of Energy
[Free Registration/Login may be required to access all resource tools.] Students will study how energy flows through an ecosystem and learn about photoautotrophs and chemoautotrophs, the role of decomposers, and of consumers.