D BEST DESCRIBES THIS QUESTION BECAUSE IT IS VERY MUCH TRUE
sperm used in the male side of reproduction
Answer: nervous system
Explanation:
The nerves send impulses either from the brain or spinal chord for the body organs to coordinate
I would say keep the soil from eroding and doesn't let it get dried out so fast.
<span>First determining if the cells in the tumor have common and the unique genetic and biochemical marker and if they are present, that would clearly mean that they all were created from a initially mutated cell and formed the marker and these are considered as monoclonal. If that is not the case and cells do not have a common origin, these are called as polyclonal.</span>