How are organisms grouped in an ecosystem?
A. by their movement
B. by how they get their energy
C. by how they migrate
D. by how they produce
Organisms are grouped in an ecosystem by how they get their energy.
Expert answered|
jerry06|Points 55267|
Asked 4/11/2016 11:12:10 AM
Updated 4/11/2016 11:56:01 AM
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