Answer:
A: Myelin sheath
Explanation:
Myelin sheath swiftly transmits electrical impulses along nerve cells.
Answer: B
Explanation: Traits usually die off when they are unneeded by the organism, or if the trait causes harm to the organism's survival. Through natural selection, over time, the organisms with the best combination of traits for its survival will become the dominating species, and those with weaker traits may not survive long enough to pass off their traits to future offspring.
Answer: A Carbon Dioxide
Explanation:
Because I said so
It would be G and H because that is when the nuclear membrane forms and two new cells are formed