Question: Fact 1: Pollen consists of tiny grains that are the male gametes of plants. Fact 2: Bees also collect pollen. Given the two facts above, what collects tiny grains that are the male gametes of plants?
OPTIONS:
- bees
- viruses
- phytoplankton
- bacteria
- shrews
- honey
- cacti
- moss
Answer: bees

Question: Fact 1: Microorganisms cause food to spoil. Fact 2: Irradiation kills microorganisms that spoil food. Given the two facts above, what can keep food from going bad?
OPTIONS:
- irradiation
- Cooking
- Dehydration
- sensory neurons
- animal transport
- Enzymes
- nutrients
- layers of fat
Answer: irradiation

Question: Fact 1: Bottleneck effect occurs when a population suddenly gets much smaller. Fact 2: Fire usually causes temporary declines in populations. Given the two facts above, what can occur in animals after a fire?
OPTIONS:
- the population rises
- Contaminated wounds
- the population grows rapidly
- the population fights the fire
- recovery time from fatigue
- the bottleneck effect
- Temperature changing
- Dehydration
Answer:
the bottleneck effect