The correct answer is sympathetic.
Along with the enteric and the parasympathetic nervous systems, it completes the autonomic nervous system of humans. This part of the brain is responsible for 'fight or flight' situations, meaning that if a stressor influences us, the sympathetic nervous system will decide what our course of action is going to be.
Insufficient nutrient, lack of water, no sunlight, climate change, pollution
B.
Not A because the cells produce by meiosis as all different
Not C because the exchange of DNA is chance. There’s nothing there to pick only the most desirable traits.
Not D because i think B is a more likely answer
Brainliest?
Have a great day :)
Here is a website that will give you the answer http://www.actforlibraries.org/what-substances-are-found-in-the-cell-membrane/
