Answer: An external factor caused damage to the nerve cells. However, the injection of new cells into the injured area prompted a beneficial change. The injured cells received proteins that decreased inflammation and pain in the mice.
<span>He will experience a gradual drop in his testosterone levels as he ages. This will cause a lowered amount of energy and could cause a slight gain in weight. In addition, he may experience fatigue, a loss of body hair, and a general decrease in his strength.</span>
Answer:
Are you referring to symbiotic relationships between organism? If so, the answer would be parasitism.
One organism, a parasite, takes advantage of another organism at the expense of the host organism.
Ex. A tick bites a dog for blood to use as food. The dog gets an uncomfortable bug bite and the dog might catch a tick borne disease.
7.960 x 10 to the 3rd power :)
