The basic unit of life is:

Which of the following are considered as the twin characteristics of growth?

I. Responses to stimuli

II. Increases in mass

III. Increases in the number of individuals

IV. Increases in width

Which of the following are considered as the twin characteristics of growth?

I. Responses to stimuli

II. Increases in mass

III. Increases in the number of individuals

IV. Increases in width