Question

Fish must have oxygen in the water to survive.

How would a decrease in oxygen affect the fish in the aquarium?

Answer 1

Answer: The number of fish would decrease <3

Step-by-step explanation:

Answer 2

If the oxygen level in the aquarium is decreased:

• Fishes would find it rigorous to survive as they release carbon dioxide while respiring and takes in oxygen.

• Increase ↑ in carbon diode concentration level || Decrease ↓ in oxygen concentration level

• During this process, fishes shall open their mouth and gills would be wide open in order to take more oxygen.

• Continuous rapid motion of fishes throughout the aquarium.

• If no oxygen left, then the fishes will die.