Would there be any bacteria in an aquarium
Guys answer it fast

Explanation:

Yes, in an aquarium bacteria are present on every hard surface in the tank such as decorations, substrate and glass. Bacteria are even present in the filter where they break down the other toxic bacteria in water. ... They also help to remove toxins like ammonia, nitrite and nitrate that kill the fishes in the aquarium.

the answer is b. 0; 4

one characteristic that is shared by all is a soft body. many

of these invertebrate animals also have an outer shell to protect their

body. oysters, clams, snails, and mussels are all mollusks. so are octopuses, squids, and slugs. mollusks live on land and in freshwater.