Covers the study of relationships of organisms to their environment.

Great for students in biology at any level, general or physical science, or any science that includes life and geographic relationships.

6 -page laminated guide includes:
levels of organization
the ecosystem
classification of ecosystems
stability of ecosystems
energy flow in ecosystems
energy capture in an ecosystem
food chains & webs
nutrient cycling in ecosystems
limiting factors & the environment
population dynamics in communities
community structure