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| What is the main difference between a gymnosperm and an angiosperm? |
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| Gymnosperms have naked seeds and angiosperms have seeds enclosed in an ovary. |
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| shaped like an umbrella/shield |
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| What is the difference between aggregate and multiple? |
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Aggregate means several carpels on one flower.
Multiple means separate carpels from separate flowers. |
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| Monotypic means that there is only one genus in a family. |
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| Stipules are leaflike appendages at the base of a leaf or on its petiole. |
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| Marcescent means leaves that wither and turn brown but still stay on the tree (such as in the Fagaceae family). |
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| An involucre is a cluster of bracts. |
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