Which ecological level of organization encompasses all interacting populations of different species inhabiting a defined geographic area at the same time?
Answer and explanation
Correct answer: A. Community
- Step 1: A biological community consists of all the diverse populations of organisms (plants, animals, fungi, microbes) coexisting and interacting within a shared habitat.
- Step 2: An ecosystem includes the community plus abiotic environmental factors.
Answer
Community.
Why not the others: 'Organism' is a single individual; 'Population' consists of individuals of the same single species; 'Biome' is a broad regional ecological zone defined by climate and vegetation.
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