Many factors determine the health of an aquatic ecosystem. Which choice lists ONLY abiotic factors?
A) the number of species of algae, fish, and water fowl present in the ecosystem
B) the acidity of the water, the number of species of insects, and the air temperature
C) the oxygen content of the water, the water temperature, and the chemical composition of the bottom mud
D) the amount of sunlight penetrating the water, the phosphorus content of the water, and the number of species of fish

Question

Many factors determine the health of an aquatic ecosystem. Which choice lists ONLY abiotic factors?
A) the number of species of algae, fish, and water fowl present in the ecosystem	
B) the acidity of the water, the number of species of insects, and the air temperature	
C) the oxygen content of the water, the water temperature, and the chemical composition of the bottom mud	
D) the amount of sunlight penetrating the water, the phosphorus content of the water, and the number of species of fish

anonymous · Answer

C this is because Abiotic is NOT derived by living organisms.. all the other choices involve living organisms, therefore C is the correct answer