Question: You are presented with the quiz "what are light bulbs powered by?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "an incandescent light bulb converts electricity into light by sending electricity through a filament" and "incandescence is light from heat energy". So, what's the best answer to the question?
OPTIONS:
- heat
- metal
- wind
- sun
- energy
- magnetism
- gas
- cold
Answer: heat

Question: You are presented with the quiz "Courtship is a behavior that animals use to attract what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "courtship is behavior that is intended to attract a mate" and "mating Ducks usually look for a mate or partner in winter". So, what's the best answer to the question?
OPTIONS:
- a pollinator
- a partner
- animals
- a child
- honeybees
- humans
- reproduce
- a host
Answer: a partner

Question: You are presented with the quiz "what are the results when a population suddenly gets much smaller?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "bottleneck effect occurs when a population suddenly gets much smaller" and "effects of bottlenecks are unpredictable ". So, what's the best answer to the question?
OPTIONS:
- stable
- massive damage
- competition
- linear
- negative
- relocation
- h2o
- unpredictable
Answer:
unpredictable