Q: Fact 1: Aplants require water for survival. Fact 2: Legumes are typical of that type of plant. Given the two facts above, what requires water for survival?

OPTIONS:
- cows
- pigeons
- hydrogen
- legumes
- vacuums
- bears
- cats
- outer space

A: legumes

Q: Fact 1: Active immunity results when an immune response to a pathogen produces memory cells. Fact 2: Pathogens are germs that cause disease. Given the two facts above, active immunity is when an immune response occurs after a germ produces what?

OPTIONS:
- harmful substances
- bioaerosols
- rapid expansion
- Allergies
- anemia
- it needs them
- Chemical energy
- memory cells

A: memory cells

Q: 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

A: magnifying them

Q: Fact 1: Amphibians are the first true tetrapods, or vertebrates with four limbs. Fact 2: Ancathostega is one of the earliest tetrapods found, and by far the most complete. Given the two facts above, what do ancathostega have four of?

OPTIONS:
- Eggs
- feet
- Wings
- alveoli
- Lungs
- ovaries
- rings
- Limbs

A:
Limbs