Q: Fruit-eating bats receive food from plants and, in return, help these plants by doing what? A:
OPTIONS:
- pollinating seeds
- fertilizing them
- protecting them
- spreading seeds

Answer: spreading seeds

Question: Q: What element is an essential part of many molecules needed by living organisms? A:
OPTIONS:
- helium
- silicon
- hydrogen
- nitrogen
Answer: nitrogen

input with options: Q: Which process helps provide cleaner water for agriculture? A:
OPTIONS:
- purification
- sterilization
- osmosis
- process of desalinization
output: process of desalinization

Q: Q: What is the gland in the chest behind the breast bone that stores some types of lymphocytes while they mature? A:

OPTIONS:
- Montgomery
- lumbar
- pineal
- thymus

A: thymus

input: OPTIONS:
- compete
- hoard energy
- die off
- aggregate Now, answer this question: Q: When food is scarce, starving cells secrete a molecule that stimulates neighboring cells to do what? A:
A:
output: aggregate

Question: Q: What is the main function of the cardiovascular system? A:
OPTIONS:
- respiration of air
- excretion of food waste
- coordinate bones and muscles
- transporting substances around the body
Answer:
transporting substances around the body