Question: Fact 1: Most carcinogens cause cancer by producing mutations in DNA. Fact 2: Lung cancer is the deadliest of all cancers. Given the two facts above, what cause production of mutations in DNA of areas such as lungs?
OPTIONS:
- Damages them
- the environment
- carcinogens
- cigarettes
- rays or beams
- smoking tobacco
- smoking
- Pollution
Answer: carcinogens

Question: Fact 1: Flagella help prokaryotes move. Fact 2: Bacteria are prokaryote cells. Given the two facts above, flagella help what move?
OPTIONS:
- graptolites
- bacteria
- fish
- fungi
- allow growth
- Most plants
- organelles
- nuclei
Answer: bacteria

Question: Fact 1: Planting trees has a positive impact on an ecosystem. Fact 2: Indiana forests are complex ecosystems. Given the two facts above, what has a positive impact on forests?
OPTIONS:
- genetic diversity
- some invertebrates
- planting trees
- food and shelter
- lowered energy cost
- extinction of species
- logging
- canopy removal
Answer:
planting trees