Question

why are numbers of tertiary consumer always less than those of other consumers
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Answer 1

Answer:

Here you go...

Explanation:

The numbers of tertiary consumer always less than those of other consumers because of this inefficiency, only a few top-level consumers have enough food. Organisms are placed in a linear sequence and they eat one another, to survive. Each organism holds a different level in a food chain.

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Answer 2

(1) in a food chain, at each trophic level some amount of energy is used by the organism for its own life processes and some amount of energy is lost to the surroundings in the form of heat energy.

(2) therefore, after a few tropical levels, the amount of energy in the food chain cannot support a higher trophic level.

(3) therefore, the number of tertiary consumers is less than that of other consumers.