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Biology 12 Online
OpenStudy (anonymous):

What are the two main categories of ecosystem?

OpenStudy (anonymous):

Biotic and abiotic are considered to be two main categories. (It could also possibly be land and aquatic.) Source: A documentary that involved ecology. Peace.

OpenStudy (anonymous):

Biotic (living) and abiotic (Non living)

OpenStudy (jmark):

The two main categories of ecosystem are: 1 : Biotic factors. All (living things, For eg:animals, plants,etc.) 2 : A-biotic factors. All (non living things, For eg:water,soil,etc.)

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