That would be called evolution or in more scientific terms: T<span>he change in the inherited characteristics of biological populations over successive generations. :p
Hope this helps!
</span>
Water! It is the source of all life.
Answer:
Correct option is D.
Explanation:
Our nervous system contain cells which are known as neurons these cells help to send information from the spinal cord, and brain. From receptors sensory nervous receive stimuli, and then help in to transfer this information from cell to cell in the central nervous system.
These cells work by change in voltage potential which is present in plasma membrane. So, after the first channel opens, the movement of many types of ions (both inside and outside the cell) alters the distribution of charges near the second channel, causing it to open.