Which is an example of how biotic and abiotic factors interact? A
Sunlight increases the temperature of pond water.

B
Water and soil mix together to make mud.

C
Tree roots split apart rocks in the ground.

D
Humidity in the air forms fog in the valley.

Mitochondria produce atp, a high energy compound. atp is used for all sorts of enzyme-mediated reactions, such as making proteins/nucleotides/etc, certain compounds cross the cell membrane, muscles move, etc.  without this source of energy, a cell will die. it will not be able to repair itself, defend against pathogens, etc.