input: OPTIONS:
- vertebrates
- bacteria
- protists
- protozoa Now, answer this question: Q: Amoebas and paramecia are examples of what? A:
A:
output: protozoa

Q: Spinal cord injuries are notoriously difficult to treat because spinal nerves do not do what? A:

OPTIONS:
- cover
- cartilage
- moisture
- regenerate

Answer: regenerate

Problem: OPTIONS:
- hormone
- neuropeptide
- pheromone
- neurotransmitter
Q: Q: Upon reaching the postsynaptic membrane, what type of chemical messenger binds to and activates a specific receptor? A:
Answer: neurotransmitter

Problem:OPTIONS:
- lightning
- atmosphere
- wind
- precipitation

Q: What is the term for water that falls from clouds? A:
****
A: precipitation

Q: What device is used to measure temperature? A:
OPTIONS:
- compass
- anemometer
- barometer
- thermometer
thermometer

Q: What two factors influence the pressure of fluids? A:
OPTIONS:
- depth and gravity
- time and temperature
- temperature and density
- depth and density

Answer:
depth and density