input: OPTIONS:
- leaves
- plants
- animals
- kibble
- Trees
- grass
- humans
- dogs Now, answer this question: Fact 1: Plants are the major producers in terrestrial biomes. Fact 2: Green plants are food producers. Given the two facts above, what provides food for terrestrial biomes?
A:
output: plants

input: OPTIONS:
- They have cold blood
- protect them
- They eat a lot
- hard outer covering
- by indirect light
- They go swimming
- They have thick fur
- When it's cold Now, answer this question: Fact 1: Some animals' fur grows thicker for staying warm in the winter. Fact 2: Polar bears grow fur to survive in the cold. Given the two facts above, how do polar bears stay warm in the winter?
A:
output: They have thick fur

input: OPTIONS:
- sperm
- mechanical
- barnacles
- the penis
- the moon
- testosterone
- Chemical energy
- competition Now, answer this question: Fact 1: Testosterone stimulates the reproductive organs to develop into male organs. Fact 2: Testicles are male reproductive organs. Given the two facts above, what stimulates the reproductive organs to develop testicles?
A:
output:
testosterone