Answer:
1. The bottom graph matches this statement, because it shows a drastic decrease in population.
2. The top graph matches this statement, because it shows most of the population surviving for quite some time.
3. The second graph matches this statement, because it shows a drastic increase in population.
4. This would be the third graph, because it shows a dramatic increase then a stabilization.
Answer:
Spinal cord
Explanation:
The PNS consists of the nerves and ganglia outside the brain and spinal cord.