Q: Why do sharks sense low levels of electricity? A:

OPTIONS:
- to locate mates
- to sleep
- to reproduce
- to locate prey

Answer: to locate prey

Q: The layers of the atmosphere correspond with what changes with altitude? A:

OPTIONS:
- friction
- nitrogen
- oxygen
- temperature

Answer: temperature

Q: What do you call the physical environment in which a species lives and to which it is adapted? A:

OPTIONS:
- domain
- environment
- ecosystem
- habitat

Answer: habitat

Q: What is type of sugar is produced through photosynthesis? A:

OPTIONS:
- carbohydrates
- insulin
- glutamate
- glucose

Answer:
glucose