Problem: OPTIONS:
- Chemical energy
- Vibrations
- heat energy
- Sulfur dioxide
- Temperature
- sun's heat
- Clouds
- Wood
Q: Fact 1: Plants respond to daily and seasonal cycles and to disease. Fact 2: Temperature follows a seasonal cycle. Given the two facts above, what do plants respond to?
Answer: Temperature
Problem: OPTIONS:
- Lead
- oil
- calculator
- woodfire
- fire
- running shoes
- coal
- car
Q: Fact 1: Using a gasoline engine requires burning gasoline. Fact 2: After the car is moving, the gasoline engine kicks in. Given the two facts above, using what can require burning gasoline?
Answer: car
Problem: OPTIONS:
- Pesticides
- neurons
- barnacles
- alpacas
- insects
- fish
- humans
- starfish
Q: Fact 1: Echinoderms lack a centralized nervous system. Fact 2: Starfish and sea urchins are also echinoderms. Given the two facts above, what lack a centralized nervous system?
Answer:
starfish