Question

Which example is a biotic factor of an aquarium environment?
Responses

number of underwater plants
number of underwater plants

amount of sand in the aquarium
amount of sand in the aquarium

amount of oxygen in the water
amount of oxygen in the water

water temperature

Answer 1

The biotic factor of an aquarium environment in the provided options is **number of underwater plants**. Biotic factors refer to the living components of an ecosystem, including plants, animals, and microorganisms.