Question

define a food chain​

Answer 1

Explanation:

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• A food chain is a series of organisms where all the organismsare dependent on next organism as a source of food.

• The series of organism take part at various biotic levels to form a food chain.

• Each step of the food chain forms a tropic level.

• Tertiary consumers (larger carnivores) form the fourth tropic level.

Hope it is helpful to you..

Answer 2

Explanation:

A food chain is a linear network of links in a food web starting from producer organisms and ending at apex predator species, detritivores, or decomposer species. A food chain also shows how the organisms are related with each other by the food they eat. Each level of a food chain represents a different trophic level.