Which of the following explains why sunlight is important to aquatic ecosystems

a(sunlight provides a source of heat energy to increase water temperatures.

b(sunlight keeps harmful bacteria from taking over aquatic ecosystems.

c(sunlight makes it possible for aquatic predators to see their prey underwater.

d(sunlight provides light energy that allows photosynthesis to occur in plankton and aquatic plants

Which of the following shows the correct order in which light information travels through the eye? (2 points) lens, pupil, retina, optic nerve pupil, lens, retina, optic nerve pupil, lens, optic nerve, retina lens, pupil, optic nerve, retina

This is so important ugh its 25 points

Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. an incomplete dominance cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. purple offspring result. then, two of the purple offspring are crossed. according to the punnett square for this cross, how many of the offspring from the second cross will have a feather color that results from incomplete dominance? 1 in 4 2 in 4 3 in 4 4 in 4