Fact 1: Evolution is a change in the characteristics of living things over time. Fact 2: Trees are the largest of living things. Given the two facts above, evolution changes the characteristics of what over time?
OPTIONS:
- the Moon
- Man
- life
- trees
- rocks
- the Sun
- humans
- plants

Answer: trees

Fact 1: Dew is formed when water vapor condenses over night. Fact 2: Condensation on roofs at night is common in cooler weather. Given the two facts above, dew is formed when water vapor is what?
OPTIONS:
- uncontrolled
- smoked outdoors
- frozen at once
- major threat to health
- aqueous solution
- It gets heated up
- cooled at night
- chilled inside

Answer: cooled at night

Fact 1: Most invertebrates have a more complex nervous system. Fact 2: Invertebrates are animals without a backbone. Given the two facts above, most animals without a backbone have what?
OPTIONS:
- epidermis and dermis
- Leptospirosis
- Veins and arteries.
- death and devastation
- scarce resources
- barks and snarls
- decreases its bodily water
- Complex nervous systems

Answer:
Complex nervous systems