Climate changes thats what im guessing .. not too sure though ... sorry
All the nerve processes radiating out beyond the brain and spinal cord, as well as all the neurons outside the brain and spinal cord, constitute the peripheral nervous system.
Spinal cord is the backbone present in the vertebrates. It is essential for the correct posture and erect body. It extends from the end of the brain till the hipbone. The spinal cord consists of total 5 types of bones called vertebrae, that are total 33 in number.
Peripheral nervous system consists of parts of nervous system outside the brain and the spinal cord. It involves cranial and spinal nerves and their roots and branches, peripheral nerves, and neuromuscular junctions.
To know more about peripheral nervous system, here
brainly.com/question/328696
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A) both have strong scientific support.
I think the answer is recognition proteins!
The answer is D. How i remember is with the abbreviation KPCOFGS which is King Philip Came Over For Good Soup.(Kingdom Phylum Class Order Family Genus Species)
