Question

Define food chain. Explain why a food chain generally consists of only three or four steps.

Answer 1

A food chain resembles the feeding of various animals in the form of a chain. For example, grass is eaten by deer, then a deer is eaten by a lion. A food chain usually consists of 3 to 4 members. this is because according to the 10 per cent law, only 10 percent of the energy is available to the consumer from the producer. if the food chain is elongated, then the biomagnification in the body of the consumer at the last would increase. eventually it would die.

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Answer 2

Answer,

A series of organs and thinking part biotic levels forms a food chain