Bees in a colony are assigned different jobs. As they develop, workers begin to look dramatically different. (environmental or genotype?)

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

Does the sun release radiant energy?

Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?