One choice contains ONLY biotic factors that might be found in a home aquarium's environment. That is A) fish, snail, and plants. B) fish, snail, and gravel. water, gravel, and the glass wall of the aquarium.

One choice contains ONLY biotic factors that might be found in a home aquarium's environment. That is

A)
fish, snail, and plants.

B)
fish, snail, and gravel.
water, gravel, and the glass wall of the aquarium.

D)
fish, dissolved oxygen, and bacteria living in the water.

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One choice contains ONLY biotic factors that might be found in a home aquarium's environment. That is A) fish, snail, and plants. B) fish, snail, and gravel. water, gravel,…

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