What characteristic do all living things share? a. they are made of cells b. they give off carbon dioxide c. they are mobile d. they have a heart

Option (1)

Explanation:

Cells are considered as functional as well as the structural unit of life. These cells are combined to form tissues. Every living organism is made up of these cells and inside these cells, there is the nucleus.

Some of the functions of cells are-

1) It helps in the extension and development of a body.

2) It plays a major role in the process of reproduction.

3) It helps in the metabolism process, by which the waste materials are excreted from the body.

4) Cells can communicate with each other.

5) All cells can multiply and after their function, they die and are replaced by the new cells.

Thus, the correct answer is option (1).