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Food Chains

A food chain ...

Question

A food chain shows the flow of energy from one organism to another. Which did this energy come from in the first place?

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Solution

Order of energy flow in a food chain is:

sun → green plants → herbivores → carnivores

Energy at the first place in this chain comes from sun.

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Similar questions

The ten per cent law is associated with

(a) transfer of energy from various trophic levels to decomposers in a food chain

(b) transfer of ATP energy from one organism to another

(c) transfer of chemical energy from one organism to another

(d) transfer of sun's energy to the organisms called producers.

In the following food chain, energy flows from

Grass→Grasshopper→Frog→Snake→Eagle

Q. How much energy flows from one trophic level to next in a food chain ?

Q. Which of the following statements regarding energy flow is/are false?
I. Detritus food chain begins with dead organic matter
II. In aquatic ecosystem, detritus food chain is the major conduit for energy flow
III. In terrestrial ecosystem a larger fraction of energy flows through grazing food chain
IV. Producers belong to the first trophic level of the food chain

Q. The schematic diagram given here shows a food chain. Which one does not show the direction of energy flow?

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