Which one of following ecosystems is more productive in terms of carbon dioxide fixation

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12.Ecosystem

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Which one of the following ecosystems is more productive in terms of carbon dioxide fixation

A

Crop ecosystem

B

Forest ecosystem

C

Aquatic ecosystem

D

Hot spring ecosystem

Solution

(c)Because about $90\%$ of the total world photosynthesis ($CO_2$ fixation) takes place by algae growing mainly in oceans and fresh water.

Standard 12

Biology

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