Bright sunlight shines in the eyes of a human. this is an example of:

voluntary response

involuntary response

external stimulus

internal stimulus

Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?