Fact 1: Agreenhouse is used to protect plants from the cold. Fact 2: If it is too cold, certain plants will freeze and die. Given the two facts above, a greenhouse can protect plants from what?

OPTIONS:
- colder weather
- blooming
- pollination
- massive damage
- Brutal temperatures
- Movement of an air mass
- photosynthesizing
- freezing and dying

Answer: freezing and dying

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

OPTIONS:
- Plaster
- animals
- fur seals
- elephants
- chickens
- Rocks
- Oxygen
- Jellyfish

Answer: Jellyfish

Fact 1: Ethologists usually study how animals behave in their natural environment. Fact 2: HA habitat is the kind of environment in which a certain organism normally lives. Given the two facts above, ethologists usually study how what behaves in their habitats?

OPTIONS:
- poachers
- parasites
- vegetation
- seasons
- hunters
- fishermen
- animals
- plant life

Answer: animals

Fact 1: Some viruses live in a dormant state inside the body. Fact 2: After an episode of chickenpox, the virus becomes dormant in the body. Given the two facts above, where does the chickenpox virus go?

OPTIONS:
- the environment
- major threat to health
- It dies
- It comes out of the bowels
- It goes to the next person
- It becomes dormant
- Plant growth is reduced
- eat plants or other animal

Answer:
It becomes dormant