Q: Fact 1: Hearing is used for sensing sound by animals. Fact 2: For example, hearing waves are transmitted by fluid in the inner ear. Given the two facts above, what in the inner ear is used for sensing sound by animals? | OPTIONS:
- neurons
- Frogs.
- tube
- Frogs
- fluid
- fibers
- energy
- motors
A: fluid

Q: Fact 1: Cell division often causes growth. Fact 2: Growth and Development Most organisms grow. Given the two facts above, what causes organisms to grow? | OPTIONS:
- genetic diversity
- viruses
- pathogens
- genetic material
- pollution
- prolactin release
- Time and energy
- cell division
A: cell division

Q: Fact 1: Aswitch is used to start the flow of current in an electrical circuit. Fact 2: Electrical circuits have fuses that blow. Given the two facts above, a switch is used to start the flow of current in what? | OPTIONS:
- Ocean currents
- something with fuses.
- Veins and arteries.
- circulatory systems
- Current date
- Batter switch
- Earth orbiting the Sun
- Basic units of the plant body.
A: something with fuses.

Q: Fact 1: An organism requires energy for growth. Fact 2: Because food contains energy. Given the two facts above, what do organisms require for growth? | OPTIONS:
- rocks
- hats
- DNA
- oxygen
- genes
- Heat
- food
- rain forest
A: food