Question

Q. "Energy flow in a food chain is unidirectional" Justify this statement. Explain how the pesticides enter a food chain and subsequently get into our body......?

Answer 1

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1.The flow of energy in the ecosystem is said to be unidirectional because the energy lost as heat from the living organisms of a food chain cannot be reused by plants in photosynthesis.

2.Pesticides are non-biodegradable wastes which pass along the food chain from crops to man or other animals and birds and harm them.

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Answer 2

Explanation:

energy flow in body form of glucose .. . . . . .