The hierarchies within a food web are called _______________ levels.

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Solution

Trophic levels
The Food web is a network of food chains that become inter-connected at various trophic levels so as to form a number of feeding connections amongst different organisms of a biotic community.
The trophic level is the position an organism occupies in the food chain.
The first trophic level known as the base of the ecosystem has the highest energy concentration which is transferred to the organisms at different trophic levels.
Final answer: The hierarchies within a food web are called trophic levels.

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Question 9
Organisms of a higher trophic level which feed on several types of organisms belonging to a lower trophic level constitute the

(a) food web
(b) ecological pyramid
(c) ecosystem
(d) food chain

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