Question:
The sum total of all populations in a given habitat is called ...................
The sum total of all populations in a given habitat is called ...................
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A community refers to all populations of different species in a specific habitat, while a biome is a larger ecological area.
Updated On: Feb 4, 2026
- community
- biome
- biomass
- ecosystem
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The Correct Option is A
Solution and Explanation
Step 1: Understanding ecological terms.
In ecology, a community refers to all populations of different species living in a specific area or habitat. A biome refers to a larger ecological area, while biomass refers to the total mass of living organisms.
Step 2: Analyzing the options.
(A) community: Correct — A community consists of all populations of different species in a given habitat.
(B) biome: Incorrect — A biome is a larger classification of ecosystems, not just a sum of populations.
(C) biomass: Incorrect — Biomass refers to the total weight of living organisms, not their population.
(D) ecosystem: Incorrect — An ecosystem includes both the community of organisms and their environment, not just the populations.
Step 3: Conclusion.
The correct answer is (A) community, as it refers to the sum total of all populations in a given habitat.
In ecology, a community refers to all populations of different species living in a specific area or habitat. A biome refers to a larger ecological area, while biomass refers to the total mass of living organisms.
Step 2: Analyzing the options.
(A) community: Correct — A community consists of all populations of different species in a given habitat.
(B) biome: Incorrect — A biome is a larger classification of ecosystems, not just a sum of populations.
(C) biomass: Incorrect — Biomass refers to the total weight of living organisms, not their population.
(D) ecosystem: Incorrect — An ecosystem includes both the community of organisms and their environment, not just the populations.
Step 3: Conclusion.
The correct answer is (A) community, as it refers to the sum total of all populations in a given habitat.
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Top Questions on Ecology
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