Answer:
The answer is the Biosphere.
Explanation:
A good way to remember this is to recall <em>'Bio'</em> means <em>'Life.'</em>
Http://www.biocab.org/Carbon_Dioxide_CO2.html
<span>the main difference between the two is ivertebrates doesnt have no backbone or spinal cord... vertebrates do have a back bone like humans</span>
The nervous system consists of things like the spinal cord, brain, and all the nerves that connect the sensory organs. Basically, the nervous system helps different parts of the body communicate with each other; thus leading to control of the body.
Well depending on what the environmental change is the organisms will have to adapt, or move. if they don't they may not survive.
comment if you want an example or 2