Humans need certain substances to make new cells and repair their tissues. Humans acquire these substances by eating nutritious
foods. Which of the following characteristics of life do the above statements best support? A. Living organisms respond to changes in their external environments. B. Living organisms must be able to reproduce to promote their species' survival. C. Living organisms use matter and energy for their life processes. D. Living organisms regulate their internal environments.
The human beings need energy in order to sustain life. The human beings in the life needs some resources to live. The food that is eaten by the human beings provides them nutrition and energy to perform the daily activities.
The energy in the form of adenosine triphosphate is used by the cells to perform certain types of chemical reactions.
Thus, energy from the food is necessary for the various types of life processes.
A unicellular organism is formed by a single cell. ... The circulation in unicellular organisms is carried out by the movement of the cytoplasm of the cell called cyclosis.
