An ecosystem may be defined as:
Correct answer: B. Different communities of plants, animals and microbes, together with their physico-chemical environments
- A. A localized association of several plants and animals
- B. Different communities of plants, animals and microbes, together with their physico-chemical environments
- C. Different communities of plants and microbes plus their physico-chemical environments
- D. None of the aboveGet Study Guides
Explanation
An ecosystem combines biotic communities, including plants, animals and microbes, with their physical and chemical environment. Option b is complete, whereas the other descriptions omit important organisms or the environmental component.
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