Problem:OPTIONS:
- carnivorous
- terrestrial
- amphibian
- marine

Q: Polychaetes make up a large and diverse group. which category do the majority of these worms fall into? A:
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A: marine

Problem:OPTIONS:
- Stomach
- Liver
- Heart
- lungs

Q: Alveoli can be found in which organ in the human body? A:
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A: lungs

Problem:OPTIONS:
- organism
- molecule
- vacuum
- matter

Q: What is the name given to anything that has mass and takes up space? A:
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A: matter

Problem:OPTIONS:
- density
- color
- texture
- size

Q: What characteristic of particles determines how they are carried by flowing water? A:
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A:
size