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?
A. It increases the number of trophic levels algae occupy.
B. It increases the carrying capacity of lakes for algae.
C. It improves algae adaptability.
D. It reduces algae habitat size.

1. -define adaptation2 explain darwin's theories of descent with modification and natural selection in detail3. -explain how each of these provides evidence for evolution: a. -fossil record, including superposition and transitional fossilsb-anatomy, including homologous structuresc-biological molecules, including dna and proteins4. -explain the difference between convergent and divergent evolution.5. -define and give three examples of artificial selection6. -define and give one example of coevolution.7. -explain biodiversity and how it benefits humans.8. -explain a type of population lest affected by environmental change.