With reference to food chains in ecosystems, consider the following statements:1) A food chain illustrates the order in which a chain of organisms feed upon each other2) Food chains are found within the populations of aspecies3) A food chain illustrates the number of each organism which are eaten by othersWhich of the statements given above is/are correct?a)1 onlyb)1 and 2 onlyc)1,2 and 3d)NoneCorrect answer is option 'A'. Can you explain this answer?

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With reference to food chains in ecosystems, consider the following statements:
1) A food chain illustrates the order in which a chain of organisms feed upon each other
2) Food chains are found within the populations of aspecies
3) A food chain illustrates the number of each organism which are eaten by others
Which of the statements given above is/are correct?

a)
1 only
b)
1 and 2 only
c)
1,2 and 3
d)
None

Correct answer is option 'A'. Can you explain this answer?

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With reference to food chains in ecosystems, consider the following st...

Explanation: Food chain represents the sequence of eaten and being eaten hence statement 1 is correct.

Food chain represents the entire sequence of organisms from primary producers to tertiary consumers of different species. Ex: Plant-caterpillar-lizard-snake Hence statement 2 is incorrect.
Food chain indicates only the source and direction of flow of energy and not the number of organisms eaten hence statement 3 is incorrect.

Educational Objective: To understand the flow of energy in an ecosystem through the concept of food chain and food web.

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With reference to food chains in ecosystems, consider the following statements:1) A food chain illustrates the order in which a chain of organisms feed upon each other2) Food chains are found within the populations of aspecies3) A food chain illustrates the number of each organism which are eaten by othersWhich of the statements given above is/are correct?a)1 onlyb)1 and 2 onlyc)1,2 and 3d)NoneCorrect answer is option 'A'. Can you explain this answer?

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