I believe the answer you are looking for is median.
example:
2 4 6 |8| 10 12 14
median: 8
three on each side of "8"
Answer: the need of evolution
Explanation: Charles Darwin saw the differences between the birds beaks in the Galapagos island. The beaks were different because of the different food that the environment provides.
This is a True Statement.HOPE IT HELPED YOU
It is based in the Animals Kingdom hope that helps.
You didn't really provide any possible answers here. However, it's very easy to say that the responsible actors for impulse transmission across the synapses from one nervous cell to another nervous cell is what we call neurotransmitters. These are special molecules that can have different effects when binding onto the required receptor sites.
