Answer:
Reticular activating system (RAS)
Explanation:
On the Origin of Species was published in 1859.
Answer: Mitochondria
Explanation:
Mitochondria are oval shaped cell organelles bounded by a double membrane, and serve as a site of respiration or where energy is released from simple sugars like glucose.
Thus, the ability to produce energy makes mitochondria the power house of the cell
Those small sections are called Genes
