Question: Q: Insulin and glucagon help keep blood glucose levels in the normal range because of what type of effects? A:
OPTIONS:
- sympathetic
- opportunistic
- ABNORMALISTIC
- antagonistic
Answer: antagonistic

Question: Q: In biology, what is required for ecosystems to survive? A:
OPTIONS:
- helium
- space
- minerals
- energy
Answer: energy

Question: Q: What is the term for the length of the route between two points? A:
OPTIONS:
- area
- length
- trajectory
- distance
Answer:
distance