An earthworm has a complete digestive system.

how does the earthworm remove undigested food?

a.
it uses the same opening in which the food was taken in.

b.
the waste diffuses out through the skin.

c.
waste is removed through a designated opening.

d.
tentacles are used to remove the waste.

Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.

Which best describes the scientific method? a. a path of clearly defined steps that must be followed in a particular order b. a possible answer to a scientific question based on knowledge or research c. the recipe for how to conduct an experiment that must be followed precisely d. the process of hypothesis and testing through which scientific inquiry occurs

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