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UPSC 2013: Which one of the following terms describes not only the physical space occupied by an organism, but also its functional role in the community of organisms?
(a)Ecotone
(b)Ecological niche
(c)Habitat
(d)Home range
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Not attemptedCorrect Answer: (b) Ecological niche
The ecological niche includes both the physical space an organism occupies and its functional role (resource use, interactions, trophic position) within the community; none of the other terms encompass both aspects.
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Frequently Asked Questions
What is the correct answer to this UPSC 2013 Environment & Ecology question?▼
The correct answer is option (b): Ecological niche. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
Which year was this Ecosystems & Ecology Concepts question asked in UPSC Prelims?▼
This question was asked in UPSC CSE Prelims 2013, GS Paper 1, as Question 48. It falls under Environment & Ecology > Ecosystems & Ecology Concepts.
What is the difficulty level of this UPSC question?▼
This question is rated "easy". It tests basic recall and most well-prepared aspirants should answer it correctly.
How many UPSC Prelims questions have been asked from Ecosystems & Ecology Concepts?▼
UPSC has asked 48 questions from Ecosystems & Ecology Concepts (under Environment & Ecology) across multiple years. Visit the topic page to see the full list and year-wise trends.