<meta http-equiv="refresh" content="1; url=/nojavascript/">
Dismiss
Skip Navigation

Ecosystems

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

%
Progress
Practice Ecosystems
Practice
Progress
%
Practice Now
Ecosystems Discussion Questions
Student Contributed
A list of student-submitted discussion questions for Ecosystems.

Reviews

Please wait...
Please wait...

Original text