It start out with one cell because Mitosis is a cell division of a single cell into two identical daughter cells. So, at the beginning of mitosis, there is only one cell.
Answer:
Classification is important because it helps scientists to clearly identify species, study and observe them, and organize concentrated conservation efforts.
Explanation:
Anorexia is not eating and it causes you to lose your hair. Bulimia is eating then throwing it up so you don't gain weight.
The nucleus is inside of a cell and is enclosed with the cell membrane
Marine iguanas experience biggest problem as far as their diet is concerned. this is because 'they feed on sea plant that have high concentration of salts since plants living in this region are poor osmoregulators. in addition, when they are feeding, they may take in water which usually has high salt concentrations. to survive these harsh condition, marine iguana has salt gland located in the nostrils. these glands have several secretory tubules and each of the tubules has an epithelial lining with specialized cells that have the ability to transport salt from the body outside. to perform this function effectively, large amount of energy is required and as a result these cells have high numbers of mitochondria.