Air, food, and water
The molecule that provides the chemical energy needed by all organisms is adenosine triphosphate (ATP).
Air, food, and water
Could be anything; most if not all organisms will keep what's needed and remove what is not needed.
It is needed by living organisms.
528.2
water
strawberries
Organisms need to carry out the process of respiration because the cells in the organisms break down simple food molecules and release their energy.
producers
Parthenogenesis is a type of asexual reproduction where there is no fertilization needed. Some organisms that demonstrate this are komodo dragons and water fleas.
A ventilation system is needed in order to obtain oxygen for living organisms and to get rid of carbon dioxide. Surface diffusion utilized by many smaller organisms is not sufficient in supplying the oxygen needs of the body. It is also needed to maintain a concentration gradient in the alveoli.
When a commet containing single celled organisms, or the basic materials needed for single celled organisms to develope, hit the earth.