Biology
Biology, 28.08.2019 08:50, jinxjungkook

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.

answer
Answers: 2

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Do you know the correct answer?
Which condition is a biotic factor of an aquarium ecosystem?
a) algae growing on the glass.

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