What you've described is called Plasticity
Also known as neuroplasticity or neural plasticity, it is a term used for the brain's ability to change itself and mold, like plastic, even in adulthood and when fully developed. This occurs for various reasons, not only due to physical damage.
Dk guy ggghgygyggggfgygggfggy
Yes, for all organisms, the major function of DNA is store and be utilized for the encoding of specific gene sequences onto further RNA molecules which will later on be used for synthesizing of essential polypeptides needed for all living beings, anything that is composed of 1 or more cells.
I believe the correct answer from the choices listed above is the third option. It is in the high littoral zone that you would expect to find the greatest abundance of marine organisms. <span>Organisms are also more complex and often larger in size than those found in the high tide and splash zones.</span>
Hope this answers the question. Have a nice day.