Large blooms of algae on the surface of a lake keep which abiotic factor from reaching the bottom?

Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above

What advantages does a pedigree have over a written passage?

In pea plants, yellow seed color (y) is dominant and green seed color (y) is recessive. based on the punnett squares, what are the chances that the offspring in the second generation will have green seeds? first generation y y y yy yy y yy yy second generation y y y yy yy y yy yy there is a % chance that the offspring will have green seeds.