Why it is important to living organisms?

All living organisms need energy to grow and reproduce, maintain their structures, and respond to their environments; metabolism is the set of the processes that makes energy available for cellular processes. ... Living organisms must take in energy via food, nutrients, or sunlight in order to carry out cellular processes.

Explanation:

the fossil record provides evidence of a common ancestor to many species.

well first you need the sample of the temperature and gas level. i couldnt write a hypothesis unless i had some data. i think temperature changes will effect volumes of gas because gas changed into a solid or liquid at specific temperatures.