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

Verified 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