What effect can fertilizer runoff have on an aquatic ecosystem?

Aincreased plant growth leading to a decrease in fish populations
Bincreased plant growth leading to an increase in fish populations
Cdecreased plant growth leading to a decrease in fish populations
Ddecreased plant growth leading to an increase in fish populations

Verified Answer :

a. increased plant growth leading to a decrease in fish populations. Fertilizer runoff degrades aquatic system by promoting growth of algae, phytoplanktons and other aquatic plants. A phenomenon called 'algal bloom' will take place, increasing oxygen consuming bacteria and lessening the available oxygen for plants and animals in the area.

Answer:

it would be A

Explanation:

Fertilizer runoff degrades aquatic system by promoting growth of algae, phytoplanktons and other aquatic plants. A phenomenon called 'algal bloom' will take place, increasing oxygen consuming bacteria and lessening the available oxygen for plants and animals in the area.

i hope i hellped