input: OPTIONS:
- cross-typing
- cross-breeding
- cross - vegetation
- cross-pollination Now, answer this question: Q: What is it called when pollen from one plant fertilizes another plant of the same species? A:
A:
output: cross-pollination

input: OPTIONS:
- pigs
- apes
- goats
- cows Now, answer this question: Q: Which of the animals digest cellulose with the aid of methanogens? A:
A:
output: cows

input: OPTIONS:
- rocks
- water
- gas
- magma Now, answer this question: Q: What substance comes toward earth's crust through mantle plumes? A:
A:
output:
magma