Well Sertoli cells<span> keep the germ </span>cells<span> that start the process healthy and nourished. </span>
2. A
3. D (got cut off but the others don’t seem right)
4. D
Hopefully these are correct
Answer:
B. increase biodiversity
It can't increase the biodiversity it can effect the biodiversity
C) neurons - nerve tissue - brain - central nervous system - human being
