<span>Stem cells are important because they can differentiate into almost any other type of cell. Stem cells have the great potential to develop into different cell types during early life. They are found in multicellular organisms only. Mammals have embryonic and adult stem cells.</span>
Answer:
Controlled variables are variables you keep the same throughout an experiment.
Explanation:
Temperature is a common type of controlled variable. If a temperature is held constant during an experiment it is controlled.
This info provided seems to be that you are of a healthy weight
The make up of life i believe