<img src="https://d5nxst8fruw4z.cloudfront.net/atrk.gif?account=iA1Pi1a8Dy00ym" style="display:none" height="1" width="1" alt="" />
Dismiss
Skip Navigation

Ecosystems

A natural unit consisting of all the living organisms and nonliving physical factors in an area.

Atoms Practice
Estimated4 minsto complete
%
Progress
Practice Ecosystems
Practice
Progress
Estimated4 minsto complete
%
Practice Now
Turn In
Science of Ecology Study Guide
Student Contributed
This study guide introduces ecology and looks at how organisms interact with the environment. It also reviews ecosystems, food chains, food webs, and trophic levels.
Please wait...
Please wait...