Fact 1: Treating water is used to remove harmful substances before drinking. Fact 2: Bottled water is often treated. Given the two facts above, what does bottled water have none of?

OPTIONS:
- energy barrier
- cloudy and rainy weather
- harmful substances
- layers of fat
- energy usage
- Brutal temperatures
- Heat energy
- hard outer covering

Answer: harmful substances

Fact 1: Most invertebrates have a more complex nervous system. Fact 2: Jellyfish and insects are invertebrates. Given the two facts above, what has a more complex nervous system?

OPTIONS:
- elephants
- phytoplankton
- animals
- insects
- viruses
- crocodiles
- tortoises
- bacteria

Answer: insects

Fact 1: All plants have a characteristic life cycle that includes alternation of generations. Fact 2: Many of the plants are fruit trees. Given the two facts above, what has a life cycle that includes alterations of generations?

OPTIONS:
- apple
- trees
- salmon
- Spruce
- insects
- animals
- Cane.
- bees

Answer: trees

Fact 1: Roundworms may be free-living or parasitic. Fact 2: Nematodes are microscopic, true roundworms. Given the two facts above, what are some nematodes?

OPTIONS:
- dangerous
- fungi
- parasites
- flying
- parisitic
- warm-blooded
- invincible
- insects

Answer:
parisitic