23-11-2015
Biology

contestada

Which of these is an abiotic factor of an aquarium ecosystem?

A.
algae growing on the glass

B.
gravel on the bottom of the aquarium

C.
plants growing from the gravel

D.
fish swimming in the water

Respuesta :

Pandaaas Pandaaas

23-11-2015

B: the gravel on the bottom of the aquarium, because it is not a living thing like the algae, plants and fish.
:)

Answer Link

Middleschool12K Middleschool12K

07-02-2019

The correct answer is B.gravel on the bottom of the aquarium

Answer Link

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