Q2 of 38 Page 106

In a food chain, the third trophic level is always occupied by

In Trophic levels, first trophic level is occupied by the consumers, second by the herbivores and third trophic level is occupied by small carnivores.

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1

Which one of the following is an artificial ecosystem?

 3

An ecosystem includes

 4

In the given food chain, suppose the amount of energy at fourth trophic level is 5 kJ, what will be the energy available at the producer level?
Grass → Grasshopper → Frog → Snake → Hawk

 5

Accumulation of non-biodegradable pesticides in the food chain in increasing amount at each higher trophic level is known as