It's About Time
The Nitrogen and Phosphorous Cycles
How do we affect the ecosystem, and what can we do to preserve it? Pupils explore chemicals that promote and inhibit plant growth, then discuss the importance of nitrogen and phosphorus to the survival of organisms and describe how...
Curated OER
AP: Chapter 54: Ecosystems
A lot of learning is packed into these 23 questions about ecosystems. Advanced biology classes apply their knowledge of communities, productivity, biogeochemical cycles, and human impact on the environment by writing short answers for...
Curated OER
Ecology
In this ecology worksheet students complete a crossword puzzle that incorporates all of the ecological vocabulary in the word puzzle.