Which of the following cells will allow for the most efficient exchange of materials with the environment? A. Root hair cell
B. Leaf mesophyll cell
C. Red blood cell
D. Cuboidal epithelium cell

Why is the theory of evolution important? it disproves all other theories about how life began. it provides a topic for debate. it is a unifying concept in biology. it explains how life began. i know for sure, it is not "it is a unifying concept in biology."

Pink fur (p) is dominant to purple fur (p) in hamsters. two heterozygous pink hamsters are crossed. what is the probability that these two parents will have an offspring with purple fur? 2/4, 1/2 or 50% 1/4 or 25% 3/4 or 75% 4/4 or 100% there is no chance for this type of offspring

How do the evolutionary chart and the video support the claim that all living things are made up of cells?