A series of steps designed to solve problems and answer questions is "a scientific method".
Answer:
Cytology is the study of the chemistry, structure, and function of a cell. Cytology is the study of cell structure, composition, & interaction with other cells. Cytology is the medical and scientific study of cells. Cytology is the branch of biology concerned with the structure and function of plant and animal cells.
Explanation:
they need energy because there cells need to reproduce
Answer:
a human can stay up to 79 years
