Problem:OPTIONS:
- protist
- sharks
- cows
- lizards
- mammals
- viruses
- crocodiles
- bacteria

Fact 1: Chordates have a complete digestive system and a closed circulatory system. Fact 2: Yep, lizards are chordates, just like humans. Given the two facts above, what have a complete digestive system and closed circulatory system?
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A: lizards

Problem:OPTIONS:
- fluid
- spiders
- scrambled
- a fish
- sharks
- snakes
- animals
- tortoises

Fact 1: Reptiles are a class of tetrapod vertebrates that produce amniotic eggs. Fact 2: Snakes are cold-blooded reptiles. Given the two facts above, what produces amniotic eggs?
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A: snakes

Problem:OPTIONS:
- quadriceps
- Electrical energy
- mechanical
- Heat energy
- friction
- compressional
- flow of electrons
- kinetic energy

Fact 1: Folding an object causes that object to change shape. Fact 2: Folds are usually caused by compressional forces. Given the two facts above, what force causes an object to change shape?
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A: compressional

Problem:OPTIONS:
- cell phones
- messengers
- energy
- megaphones
- A Greek letter
- flashlights
- gramophones
- electricity

Fact 1: Telephones are used for communication by two people by transmitting sound. Fact 2: Cell phones are, bottom line, radios with a connection to a telephone company. Given the two facts above, what are used for two people for communication with sound?
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A:
cell phones