Question

Fertilizer is frequently used in agriculture to increase growth of crops. However, when it rains, excess fertilizer runs off into the local water sources.

How does this fertilizer affect aquatic ecosystems? Pick each one! Thank you!!

increased nutrients kill algae, removing food source for fish

wildlife become oxygen‑starved from higher rates of algal decomposition

causes overpopulation of algae species

increases fish population due to new food source

Answer 1