Problem:OPTIONS:
- stems and flowers
- roots and seed
- fruits and nuts
- roots and stems

Q: In vascular plants, what two basic structures are made of dermal, vascular, and ground tissues? A:
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A: roots and stems

Problem:OPTIONS:
- gold
- silver
- aluminum
- lead

Q: What element is typically used to shield things from gamma rays? A:
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A: lead

Problem:OPTIONS:
- amino acid
- glucose atom
- quark
- carbohydrate molecule

Q: A monosaccharide is the simplest carbohydrate and cannot be hydrolyzed to produce a smaller what? A:
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A: carbohydrate molecule

Problem:OPTIONS:
- biology
- radiology
- anthropology
- ecology

Q: What is the term for the study of how living things interact with each other and with their environment? A:
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A:
ecology