Q: Sugar is made up of many molecules. When sugar is dissolved in water, what happens to these molecules?

OPTIONS:
- They no longer exist.
- They exist in solution.
- They evaporate.
- They combine with water to form new elements.
A: They exist in solution.
Q: Swamp plants die, fall to the ground, and are buried by other dying plants. Approximately how long would it take for plants to possibly become a fossil fuel?

OPTIONS:
- 1,000,000 years
- 100,000 years
- 10,000 years
- 1,000 years
A: 1,000,000 years
Q: When a tadpole grows, its gills change into lungs. What does it now need to survive?

OPTIONS:
- Air
- Water
- Soil
- Fins
A: Air
Q: Some foods that humans eat, such as corn and peas, are actually seeds from plants. What best describes the role of humans in a food web containing these plants?

OPTIONS:
- a consumer
- a decomposer
- a producer
- a scavenger
A:
a consumer