Q: What is the main artery of the systematic circulation called? A:

OPTIONS:
- femoral
- subclavian
- carotid
- aorta

Answer: aorta

Problem: OPTIONS:
- mono zones
- extinction zones
- gap zones
- hybrid zones
Q: Q: What is the name for areas where there is overlap between closely related species? A:
Answer: hybrid zones

Problem:OPTIONS:
- adaptation
- accumulation
- mutation
- extinction

Q: Population size influences the chances of a species surviving, with very small populations generally at greatest risk of what fate? A:
****
A: extinction

Q: Which system of the body is responsible for bringing air into the body? A:
OPTIONS:
- vascular system
- excretory system
- digestive system
- respiratory system
respiratory system

Q: All cells undergo what during a lifetime, but when this process is out of control, cancer results? A:
OPTIONS:
- cell transition
- cell death
- cell mutation
- cell division

Answer: cell division

input with options: Q: What is an interesting example of a molecule with two central atoms, which are both c atoms? A:
OPTIONS:
- chloride
- water
- sulfur
- acetylene
output:
acetylene