input: OPTIONS:
- they get eaten
- there's an earthquake
- they die
- their environment changes Now, answer this question: Q: Genetic variation helps ensure that some organisms will survive if what happens? A:
A:
output: their environment changes

Q: What type of structure between the esophagus and the stomach normally opens only when a bolus arrives? A:

OPTIONS:
- larynx
- intestine
- gland
- sphincter

Answer: sphincter

Problem: OPTIONS:
- Venus
- jupiter
- Mars
- saturn
Q: Q: What is the second largest planet in the solar system? A:
Answer: saturn

Problem:OPTIONS:
- hydrogen
- acid
- enzymes
- carbon

Q: The ether functional group consists of an oxygen atom which forms single bonds with what other atoms? A:
****
A: carbon

Q: What part of the brain regulates certain hormones associated with reproduction during breeding seasons? A:
OPTIONS:
- thalamus
- frontal lobe
- hippocampus
- hypothalamus
hypothalamus

Q: What can be defined simply, as a change in position? A:
OPTIONS:
- velocity
- gravity
- speed
- motion

Answer:
motion