input with options: Q: What do seismic waves prove about the inner core? A:
OPTIONS:
- it is liquid
- it is hot
- it is layered
- it is solid
output: it is solid

input with options: Q: Unlike an adult sponge, what stage is motile due to cilia that propel it through water? A:
OPTIONS:
- parasite
- zygote
- pupa
- larva
output: larva

input with options: Q: What gases move in and out of blood during gas exchange? A:
OPTIONS:
- oxygen, carbon monoxide
- nitrogen, carbon dioxide
- oxygen, nitrogen
- oxygen, carbon dioxide
output: oxygen, carbon dioxide

input with options: Q: What do nearly all animals have in common with regards to digestion? A:
OPTIONS:
- external digestion of food
- complete digestion of food
- problematic digestion of food
- internal digestion of food
output:
internal digestion of food