Gujarati
Hindi
12.Ecosystem
medium

Autotrophs

A

Make their own food

B

Are the base of the food chain

C

Are primary producers

D

All of the above

Solution

Producers constitute the first trophic level or base of a food chain. Producers are autotrophic organisms, which alone are able to manufacture organic food from inorganic raw materials in the process of photosynthesis

Standard 12
Biology

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