Question: Fact 1: Mutation creates new genetic variation in a gene pool. Fact 2: Genetic variation is the raw material for evolution. Given the two facts above, mutation leads to _.?
OPTIONS:
- Devolution
- Plants growth
- rapid expansion
- Evolution.
- Degeneration
- Extinction
- massive damage
- anemia
Answer: Evolution.

Question: Fact 1: Energy is passed up a food chain or web from lower to higher trophic levels. Fact 2: An example of chemical energy is food nutrients. Given the two facts above, _ are passed from lower to higher trophic levels?
OPTIONS:
- fossil fuels
- rays or beams
- nutrients
- environment
- animals
- heat produced
- Most plants
- Light
Answer: nutrients

Question: Fact 1: Caecilians can be found in moist soil near rivers and streams in tropical regions. Fact 2: Caecilians are primitive amphibians that resemble earthworms. Given the two facts above, what can be found in moist soil near rivers and streams in tropical regions?
OPTIONS:
- the sun
- bioaerosols
- swamp vegetation
- gravity
- land fish
- primitive amphibians
- peachleaf willow
- Most plants
Answer:
primitive amphibians