All five photographs represent what could be called natural biological communities. ... An ecosystem comprises both the living and nonliving factors in an environment. 2. ... REVIEW (P. 48) 1. for firewood, for lumber for homes Answer Key 167.
|Title||:||Understanding Basic Ecological Concepts|
|Author||:||Audrey N. Tomera|
|Publisher||:||Walch Publishing - 2001-01-01|