Lawn fertilizers often contain phosphorus. sometimes these fertilizers runoff into lakes. once in a lake, the excess phosphorus may affect algal growth and cause eutrophication in the lake. which best describes how the phosphorus affects the algae?
- it reduces algae habitat size.
- it increases the number of trophic levels algae occupy.
- it increases the carrying capacity of lakes for algae.
- it improves algae adaptability.