A relationship in which one species benefits and the other neither benefits nor is harmed is

mutualism.
predation.
commensalism.
competition.
hurry please timed

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.

1. describe the structure and function of the specialized cells you observed in the video. 2. research the types of cells present in the kidney.

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