Question

Identify the trophic levels in a food chain and explain how energy is transferred through the various trophic levels

Answer 1

Trophic levels are the hierarchial levels of the ecosystem in which the organisms are placed. It can also be termed as the position of the organism in a ecosystem. Trophic levels correspond to positions on a food chain.

In the food chain producers are always present in the primary level (first trophic level) of the ecosystem and decomposers are present at the last trophic level. Producers are Autotrophs and they can capable to produce their own food.

There is no limit regarding the number of trophic levels on a chain, since many orders of consumers can exist. The number of trophic levels depends on th food chain the formed.

Ex: Consumers may be primary consumers ( herbivores) , Secondary consumers ( carnivores) , tertiary consumers and so on.

Normal food chain Trophical levels:

Primary producers are plants and other autotrophs that can produce their own organic matter. Primary consumers eat primary producers, secondary consumers eat primary consumers, and tediary consumers eat secondary consumers Decomposers eat dead organisms and organic wastes.

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