input: OPTIONS:
- light
- distortion
- motion
- gravity Now, answer this question: Q: Weight is a measure of what force pulling down on an object? A:
A:
output: gravity

input: OPTIONS:
- branches
- lipids
- structures
- cells Now, answer this question: Q: Tissues are organized by what? A:
A:
output: cells

input: OPTIONS:
- focus
- adaptation
- purpose
- niche Now, answer this question: Q: An organism's unique role in the ecosystem is called its what? A:
A:
output:
niche