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Which condition is a biotic factor of an aquarium ecosystem?

A) Algae growing on the glass.
B) Gravel on the bottom of the aquarium.
C) Amount of oxygen in the water.
D)Temperature of the water.

Verified Answer :

Tok
AAlgae growing on the grass

Answer:

We conclude that the correct answer is the A) Algae that grow in the crystal.

Explanation:


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A biotic factor is a factor that has life.

Let's analyze each of the options:


A) Algae that grow in the crystal: algae are living beings and grow in an aquatic ecosystem.


B) Gravel at the bottom of the aquarium: gravel is an abiotic factor, that is, lifeless.


C) Amount of oxygen in the water: it is an abiotic factor


D) Water temperature: it is not a biotic factor.


After the analysis, we conclude that the correct answer is the A) Algae that grow in the crystal.

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