Why is the ability to culture stem cells important?
a. stem cells can be stimulated to develop into any cell type.
b. stem cells are easier to culture than other types of cells.
c. stem cells make reproductive cloning unnecessary.
d. stem cells are easier to immortalize than cancer cells.

Correct A). Stem cells can be stimulated to develop into any cell type.

The stem cell is a special kind of cell, which is found in our body. They are capable of continuous division and can renew themselves for a long period of time. The stem cell is unspecialized cell found in our body that can give rise to specialized cell types.

They are representing an exciting area of medicine that has the potential to regenerate and repair any damaged tissue in the body.

Example: Bone marrow transplantation.

Hence, the correct answer would be option A.

i think the answer is

mass

1. is geographic distribution

2 is increasing complexity

3 is transitional forms