Q: Fact 1: Arefrigerator is used for keeping food fresh for a long period of time. Fact 2: Refrigerator is too cold. Given the two facts above, what keeps food fresh?

OPTIONS:
- bacteria
- sodium
- lipids
- cold
- gas
- sugar
- cooled
- dust

A: cold

Q: Fact 1: Roots grow in length and width from primary and secondary meristem. Fact 2: Meristems are found in both roots and shoots. Given the two facts above, roots grow in length and width from both what?

OPTIONS:
- Conifers
- stems and leaves
- roots and shoots
- Sediment
- mouth of rivers
- arms and legs
- epidermal
- faces and eyes

A: roots and shoots

Q: Fact 1: Animals adapt to cold temperatures. Fact 2: Extremes in temperature can kill animals. Given the two facts above, why do animals adapt?

OPTIONS:
- survive
- To live shorter lives
- dry conditions
- To stay weak
- To make money
- the environment
- allow growth
- To avoid death

A: To avoid death

Q: Fact 1: Roundworms may be free-living or parasitic. Fact 2: Parasites are organisms that live off a host. Given the two facts above, aside from free-living, where else can roundworms exist?

OPTIONS:
- mouth of rivers
- in the sky
- loose soil
- our planet
- Earth orbiting the Sun
- live off a host
- molecules
- h2o

A:
live off a host