One difference is that some animals are polyp and some are medusa.
The other difference is that some animals have medusa in their life or polp in their life cycle.
Hope these two differences helps :D
Nonessential amino acids can be made by the body, while essential amino acids cannot be made by the body so you must get them from your diet.
Nonessential acids : glutamine, proline, glycine etc
Essential acids: lysine, leucine etc.
B. False
Stability is determined by the ratio of neutrons and protons. Electrons are not in nucleus.
Genotype is not the on;ly thing that effect phenotype because you have environmental effects as well that can cause a vary of things