The diagram above is an illustration of organisms in an air-tight aquarium. The most important factor needed by the organisms is?

By: |Published on: Nov 15|Categories: Biology WAEC| 0 comments

A. light energy
B. low humidity
C. oxygen
D. nitrate

Correct Answer: Option A

A. light energy

Explanation

Proper light in the aquarium serves as a form of energy for photosynthetic plants and animals, hence it is very important.

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