Fact 1: Threatening behavior causes a fight-or-flight response in animals. Fact 2: Hairs stand on end, the heart races and fight or flight hormones flood the body. Given the two facts above, threatening behavior causes the what and hormones to flood the body?

OPTIONS:
- heart to race
- relaxation
- calmness
- deep thought
- nervous system
- circulatory system
- hypothyroidism
- cells of organisms

Answer: heart to race

Fact 1: Astem is used to store water by some plants. Fact 2: Water is made up of H2O molecules. Given the two facts above, what do some plants use a stem to store?

OPTIONS:
- CO2
- H20
- RNA
- UV
- urea
- Dew
- h2o
- rain

Answer: h2o

Fact 1: Animals can communicate with sounds, chemicals, or visual cues. Fact 2: CAT Cats are animals and are great pets. Given the two facts above, what can communicate with sounds, chemicals, or visual cues?

OPTIONS:
- rocks
- sheep
- humans
- Birds
- bacteria
- bears
- viruses
- cats

Answer: cats

Fact 1: An electron microscope is used for seeing very small objects by making them appear bigger. Fact 2: Electron microscopes allow scientists to magnify objects hundreds of thousands of times. Given the two facts above, electron microscopes are used for seeing very small things and doing what?

OPTIONS:
- making them small
- observe it
- duplicate itself
- making them tiny
- making them invisible
- rays or beams
- magnifying them
- major threat to health

Answer:
magnifying them