Answer:
One significant difference that I noticed was the color of the water. In the control aquarium, the color of the water at 30 days was the same as it was on the 1st day. In the experimental aquarium, the water had a green tint on the 30th day, but on the first day it was clear.
Answer:
Mutualism
Explanation:
Mutualism: is a relationship between individuals of different species in which both individuals benefit from each other without causing no harm. Example is the nitrogen-fixing bacteria and plants.
1) Oxygen
2) Carbon
3) Hydrogen (water)
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