Q: Fact 1: Organs of excretion make up the excretory system. Fact 2: Excess estrogen is excreted in the bowel. Given the two facts above, what helps make up the excretory system?

OPTIONS:
- sugar
- gills
- h2o
- lungs
- aorta
- bowel
- fungi
- honey

A: bowel

Q: Fact 1: An animal requires energy to move. Fact 2: Animals get their energy from food. Given the two facts above, what substance gives animals the power of movement?

OPTIONS:
- Hydrogen peroxide
- force
- fats
- Sturdy boots
- fur
- Mass
- Hard metals
- Food

A: Food

Q: Fact 1: Mollusks are invertebrates such as the common snail. Fact 2: Mollusks are soft-bodied invertebrates. Given the two facts above, what do mollusks have?

OPTIONS:
- aerobic capacity
- Energy
- gastropod shells
- Chemical energy
- a cuticle
- kinetic energy
- soft bodies
- alveoli

A: soft bodies

Q: Fact 1: Hearing is used for sensing sound by animals. Fact 2: All cats are animals. Given the two facts above, what uses hearing to sense sound?

OPTIONS:
- humans
- Whales
- cats
- dogs
- bears
- vibrations
- plants
- planets

A:
cats