Question: Fact 1: Most invertebrates have a more complex nervous system. Fact 2: Corals, and invertebrates in general, are delicate creatures. Given the two facts above, what can have a more complex nervous system?
OPTIONS:
- a fish
- Birds
- insects
- coral
- the Sun
- ducks
- rocks
- air molecules
Answer: coral

Question: Fact 1: Roots have primary and secondary meristems for growth in length and width. Fact 2: Water in the soil is absorbed by the roots of plants. Given the two facts above, what is the function of the part of a plant that has meristems?
OPTIONS:
- it needs them
- photosynthesis
- Exfoliation
- Absorbing water
- plant reproduction
- protect them
- absorb light energy
- survival
Answer: Absorbing water

Question: Fact 1: Most carcinogens cause cancer by producing mutations in DNA. Fact 2: Mutations are changes in the DNA sequence. Given the two facts above, most carcinogens cause cancer by producing changes in what?
OPTIONS:
- harmful substances
- Chlorophyll
- the skin
- the eyes
- organs
- layers of fat
- DNA sequence
- alleles
Answer:
DNA sequence