A.) sexual phenotypic traits
Every 3 days the stomach starts a new lining
Cells are of two types: eukaryotic, which contain a nucleus, and prokaryotic, which do not. Prokaryotes are single-celled organisms, while eukaryotes can be either single-celled or multicellular.
The order of steps is 5, 4, 3, 2, 1 once you put it into the blank spaces next to the matching definitions :)