Which is an external environmental factor that affects heredity?

Which list shows the levels of organization of an organism in hierarchical order from left to right, from the smallest to the most complex?

Did the vinegar diffuse all the way to the center of any of the cubes? if so, which ones? what does this tell you about surface area-to-volume ratio and the diffusion rate?

Which of the following is a limitation of a clinical trial? a.)amount of random assignments b.)hospital cost c.)number of test tubes d.)amount of peer review