Problem:OPTIONS:
- hypothalamus
- hippocampus
- cerebral cortex
- thalamus

Q: What helps to regulate consciousness, arousal, and sleep states? A:
****
A: thalamus

Q: What reduces the need for pesticides and other toxic chemicals? A:
OPTIONS:
- pollen
- helium
- yeast
- fungi
fungi

Q: What is defined as the product of a force times the distance over which the force acts? A:
OPTIONS:
- matter
- motion
- energy
- work

Answer: work

Question: Q: What is the thick fluid in the space between bones that cushions the joint? A:
OPTIONS:
- interstitial fluid
- amniotic fluid
- collagen
- synovial fluid
Answer: synovial fluid

input with options: Q: What type of muscle is found in the walls of other internal organs such as the stomach? A:
OPTIONS:
- Fiber Muscle
- inorganic muscle
- Tube Muscle
- smooth muscle
output: smooth muscle

Problem: OPTIONS:
- mass extinction
- microbes
- natural selection
- mutations
Q: Q: What increases the size of a population's gene pool? A:
Answer:
mutations