input with options: Q: Within the microsporangium, the microspore mother cell divides by meiosis to give rise to four microspores, each of which will ultimately form this? A:
OPTIONS:
- zygote
- sperm cell
- ova
- pollen grain
output: pollen grain

Q: Q: What is the first digestive organ that food enters? A:

OPTIONS:
- stomach
- tongue
- esophagus
- mouth

A: mouth

input: OPTIONS:
- neon
- mercury
- helium
- hydrogen Now, answer this question: Q: Many metals react with acids to produce what gas? A:
A:
output: hydrogen

Q: What is the most widely used form of renewable energy in the world? A:

OPTIONS:
- wind
- fossil fuel
- solar
- hydropower

Answer: hydropower

Problem: OPTIONS:
- natural selection
- neuroimaging
- expediting
- imprinting
Q: Q: Scientists utilize what natural process to teach cranes born in captivity to migrate along safe routes? A:
Answer: imprinting

Q: When can mutations occur in genes? A:

OPTIONS:
- after rna replication
- after dna replication
- during rna replication
- during dna replication

Answer:
during dna replication