input: OPTIONS:
- endocrine
- skeletal
- generous
- nervous Now, answer this question: Q: Gated ion channels have a central role in what system's function? A:
A:
output: nervous

Q: Protozoa can be classified on the basis of how they? A:

OPTIONS:
- smell
- look
- feel
- move

Answer: move

Problem: OPTIONS:
- generalized behaviors
- diverse behaviors
- learned behaviors
- innate behaviors
Q: Q: Behaviors that are closely controlled by genes and have little to no environmental influence are called what kinds of behaviors? A:
Answer: innate behaviors

Problem:OPTIONS:
- synthesis impulses
- myelin impulses
- calcium impulses
- nerve impulses

Q: Axons pass what on to other cells? A:
****
A: nerve impulses

Q: What type of force always opposes the direction of motion? A:
OPTIONS:
- binary friction
- strong force
- harmonic friction
- kinetic friction
kinetic friction

Q: What is the branch of science that studies the physical world? A:
OPTIONS:
- social science
- botany
- Ecology
- physics

Answer:
physics