You are presented with the quiz "Evolution changes the characteristics of what over time?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "evolution is a change in the characteristics of living things over time" and "trees are the largest of living things". So, what's the best answer to the question?
OPTIONS:
- the Moon
- Man
- life
- trees
- rocks
- the Sun
- humans
- plants

Answer: trees

You are presented with the quiz "Dew is formed when water vapor is what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "dew is formed when water vapor condenses over night" and "condensation on roofs at night is common in cooler weather". So, what's the best answer to the question?
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

You are presented with the quiz "Most animals without a backbone have what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "most invertebrates have a more complex nervous system" and "invertebrates are animals without a backbone". So, what's the best answer to the question?
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