Question

2. A food chain represents a unidirectional flow of X? What is X? Why is it called as
# and sectional​

Answer 1

Answer:

The primary consumer derive nutrients from the producers. According to energy. trans few law, only 10℅of energy is transferred from one trophic level to other. ... it just keep on moving to next trophic level in unidirectional way. That is why flow of energy in a food chain is always unidirectional..

Explanation:

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