Michelle20
Answered


Which of these is a biotic factor of an aquarium ecosystem?

A:algae growing on the glass
B:gravel on the bottom of the aquarium
C:temperature of the water
D:amount of oxygen in the water



Answer :

the answer is A:algae growing on the glass. A Biotic Factor is any living thing in a ecosystem and a Abiotic is any non-living things like
B:gravel on the bottom of the aquarium
C:temperature of the water
D:amount of oxygen in the water
I would say A) ALGAE because gravel is abiotic and so is gravel and oxygen and temperature

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