Answer:
individuals that develop beneficial traits have a better chance of survival, and are then able to pass on their genes. Eventually, if enough of those genes are passed on, that gene will become more prominent within the population.
These cells line focal pits of the CNS and, in specific spots, deliver CSF. The cilia of these cells help flow the CSF that sustains and pads the mind and spinal string. Expansions from these cells wrap vessels and give additional control over which materials enter or leave the intercellular liquid of the CNS.
Answer: Matthias Schleiden and Theodor Schwann
Explanation:
I believe the correct answer is A. Increases the rate of a chemical reaction. This is because they act as catalysts.
