Q: Oxytocin, which stimulates the contractions of labor, is a type of what? A:
OPTIONS:
- metabolite
- inhibitor
- steroid
- hormone
hormone

Q: What type of reactions form compounds? A:
OPTIONS:
- mineral reactions
- consumption reactions
- physical reactions
- chemical reactions

Answer: chemical reactions

Question: Q: The toothlessness of modern birds, which serves to trim the weight of the head, is an example of what? A:
OPTIONS:
- mutation
- genetic drift
- variety
- adaptation
Answer: adaptation

input with options: Q: Groups of related organs form what? A:
OPTIONS:
- community systems
- maturation systems
- artificial systems
- organ systems
output: organ systems

Q: Q: What is the term for interactions between individuals of different species over an extended period of time which impact the abundance and distribution of the associating populations? A:

OPTIONS:
- parasitic relationships
- cooperative evolution
- food chain
- symbiotic relationships

A: symbiotic relationships

Q: What do you call compounds that have covalent bonds? A:
OPTIONS:
- reflectivity compounds
- valence compound
- ions
- covalent compounds
covalent compounds