With reference to food chains in ecosystems, consider the following statements: 1. A food chain illustrates the order in which a chain of organism feed upon each other. 2. Food chains are found within the populations of a species. 3. A food chain illustra

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Q: 6 (IAS/2013)
With reference to food chains in ecosystems, consider the following statements:
1. A food chain illustrates the order in which a chain of organism feed upon each other.
2. Food chains are found within the populations of a species.
3. A food chain illustrates the numbers of each organism which are eaten by others.
Which of the statement given above is / are correct?
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question_subject: 

Ecology

question_exam: 

IAS

stats: 

0,375,230,375,88,121,21

keywords: 

{'food chains': [0, 0, 0, 1], 'food chain': [4, 0, 1, 4], 'ecosystems': [0, 0, 1, 2], 'organism feed': [0, 0, 0, 1], 'chain': [0, 0, 0, 3], 'species': [0, 0, 0, 2], 'populations': [0, 0, 2, 1], 'organism': [1, 0, 0, 0], 'order': [6, 12, 34, 35], 'numbers': [0, 1, 0, 0]}