Question

Definition of food chain ?¿¿

Answer 1

⇢ It is the sequence of organisms through which food and its contained energy pas in an ecosystem with members at one step becoming food of later step of the sequence.

• Common food chains are predator food chains.
• Detritus food chain is the shortest. Parasitic food chains is the third type.

a) Aquatic food chain:-

Phytoplankton —> zooplankton—> small crustaceans—>water insects—>small fish —>large fish—> king fishes

b) land food chain:-

Herbs —> rabbit —> fox —> wolf—> tiger

Answer 2

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