Q: What gems are created by mollusks, such as oysters? Choices: - crystals - turquoise - diamonds - pearls A:
pearls
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Q: What part of the body do ants use to detect chemicals? Choices: - thorax - fins - eyes - antennae A:
antennae
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Q: The urea cycle, a set of biochemical reactions that produces urea from ammonium ions to prevent toxicity, occurs to some extent in the kidney, but primarily in what organ? Choices: - spleen - skin - colon - liver A:
liver
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Q: Seed plants that produce seeds in the ovaries of their flowers are known as what? Choices: - conifers - gymnosperms - spores - angiosperms A:
angiosperms
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