Question

in the following food chain if energy present at producer level is 620kI then calculate present at secondary carnivore.​

Answer 1

Explanation:

In ecology, a food chain is a series of organisms that eat one another so that energy and nutrients flow from one to next. Some organisms called autotrophs can make their own food by using sunlight and carbon dioxide from the atmosphere. They form the base of the food chain. From autotrophs, energy flows to heterotrophs, who feed on autotrophs. Heterotrophs like herbivores, who eat plant are primary consumers.Carnivores eat herbivore. They are called secondary consumers and so on. Decomposers break down and consume dead material and form a chain parallel to the main food chain. Thus the energy of sun used by autotrophs flows in only one direction. Each consumer level is called trophic level. Energy transfer between trophic levels is inefficient, with a typical efficiency of 10%. Therefore short chains provide more energy.

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Answer 2

The food chain describes who eats whom in the wild. Every living thing—from one-celled algae to giant blue whales—needs food to survive. Each food chain is a possible pathway that energy and nutrients can follow through the ecosystem.

For example, grass produces its own food from sunlight. A rabbit eats the grass. A fox eats the rabbit. When the fox dies, bacteria break down its body, returning it to the soil where it provides nutrients for plants like grass.