Answer:The answer is spinal cord
Explanation:
The central nervous system consists of the brain and the spinal cord.
The brain is the most highly specialized organ, and is protected by the skull or cranium, while the spinal cord is made up of soft tissue which runs from the medulla oblongata to the tail region. It is protected by the bones of the vertebral column.
The spinal cord acts as a PATHWAY between spinal nerves and the brain.
The wrapping goes on and on to reach the level of packing.
Explanation:
For the answer to the question above, <span>I think the answer is that Density-independent because it is an abiotic factor which is a natural phenomenon that occurs in the environment, it also affects the limiting factors of the environment.
</span><span>I hope this helps.
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Colder temperatures that last for a short period of time such as 3-4 days.