Physics
Food chain begins with :
- respiration
- photosynthesis
- decomposition
- decay
Heat Energy
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Answer
photosynthesis
Reason — In a food chain, the first level are the producers (photosynthetic plants). They synthesize organic substances by the process of photosynthesis (i.e., they combine simple compounds with the help of solar energy into complex organic substances).
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Related Questions
Out of the following components, which one is not abiotic ?
- trees
- light
- heat
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Plants use …………… of the total energy absorbed by them in photosynthesis for producing their food.
- 40%
- 50%
- 5%
- 0.02%
The source of energy in an ecosystem is :
- sun
- decayed bodies
- green plants
- sugar
Energy enters in a food chain through:
- primary consumers
- secondary consumers
- tertiary consumers
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