Answer:
Antibodies help you immune system.
It depends on their genes if they had an ancestor with Brown eyes
Eukaryotic and Prokaryotic cells
Answer:
Not sure but I think it's A
Explanation:
Eutrophication leads to increased algal growth (because the level of nutrients increases). It can lead to a shift in species composition to fast growing algae species (including toxic species) and a shift from long lived macroalgae to more nuisance species.
Answer:
I don't think that is scientifically proven.