Sulfur and phosphorus compounds enter bodies of water, such as ponds, lakes, and rivers a) from the decomposition of rocks found on the bottom of bodies of water. b) as by-products of photosynthesis carried out by aquatic plants. c) as run-off containing fertilizers and detergents. d) as a by-product of algal blooms.

C)as run-off containing fertilizers and detergents.

it would be the percentage of food eaten by the flock

i remember doing this lab

the father in the first generation probably had the recessive colorblind trait in his x chromosome. if he and his wife both had the colorblind trait, even if she had 1 recessive and 1 dominant, then that trait would be passed on to their kids.

(since you didn't attach the family tree this is just an assumption)