IntroEcology

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__**Ecology**__ n **__Ecology__** the study of the interactions of __organisms__ with one another and with their __physical__ __environment__.

__**Abiotic vs. Biotic Factors:**__

**1.** **__Biotic Factors__** describes living factors in the environment. 2. **2.** **__Abiotic Factors__** describes the nonliving parts of an environment. Ex. Physical environment such as air, water, temperature, rocks etc.

n **__Population__** a group of organisms of the same species that live in a geographical area. n
 * __Community__** All the populations of species that live in the same habitat and interact with each other.

**__Ecosystem__** a community of organisms and their abiotic environment.