Mitosis happens to our skins cells to replace those that are damaged or have died. Cells have a limit, and then they commit cell suicide or apoptosis. Before dying or be damaged, the skin cells first reproduce themselves in order help keep our body protected with our first layer of defense.
Genetic variation results in different forms, or alleles?, of genes. For example, if we look at eye colour, people with blue eyes have one allele of the gene for eye colour, whereas people with brown eyes will have a different allele of the gene
One adaptation that is unique to marine mammals is they nurse their young.. The correct option among all the options that are given in the question is the fourth option or the last option or option "d". I hope that this is the answer that you were looking for and the answer has come to your desired help.
Answer:
Sensory neurons
Explanation:
Sensory neurons receive impulses and carry them from the sense organs to the spinal cord or brain.