Bio Topics
Bio Topics: Cycles in the Ecosystem
A worksheet and notes covering cycles in the ecosystem, including the carbon and the nitrogen cycles.
CK-12 Foundation
Ck 12: Life Science: Ecosystems
[Free Registration/Login may be required to access all resource tools.] Ecology is the study of ecosystems. That is, ecology is the study of how living organisms interact with each other and with the nonliving part of their environment....