D. A struggle for existence is apparent.
If a struggle for existence is apparent, natural selection occurs because all of the weak/unfit/unadapted ones die.
In the inner mitochondrial membrane
Answer:
Kaolin
Explanation:
Trees, wind, and solar energy are all renewable resources.
Answer:
B. generating more nerve cells
Explanation:
Mitosis is the process whereby a cell divides into two genetically identical daughter cells. It is way through which living cells reproduce and multiply themselves.
Hence, a nerve cell that do not typically undergo mitosis will be incapable of replicating/multiplying itself, hence, unable to generate more nerve cells.
Answer:
Active/passive transport
Explanation:
The cell membrane is semipermeable meaning that is only lets certain things in and out.
Hope this helps. :)
