Question: Fact 1: Agreenhouse is used to protect plants from the cold. Fact 2: Inside a greenhouse, it is the glass roof that creates the warmth. Given the two facts above, what can protect plants from cold?
OPTIONS:
- keratin
- habitat
- trees
- heat
- glass
- Light
- fibers
- peat
Answer: glass

Question: Fact 1: Cells are the basic units of the structure and function of living things. Fact 2: Osteogenic cell types are indicated. Given the two facts above, what is a type of the basic units of the structure and function of living things?
OPTIONS:
- sensory neurons
- osteogenic
- animals
- Chemical energy
- Energy
- trees
- ferns
- fur and fat
Answer: osteogenic

Question: Fact 1: Having no natural predators increases population size. Fact 2: Population size is a function of natality and mortality. Given the two facts above, having what is a cause of mortality?
OPTIONS:
- natural predators
- seasons
- Abnormal cell growth
- liver cancer
- insects
- chickenpox
- influenza
- sunlight
Answer:
natural predators