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Questions and Answers
Angiosperms, unlike gymnosperms, have seeds that are directly exposed to the environment without any protective covering.
Angiosperms, unlike gymnosperms, have seeds that are directly exposed to the environment without any protective covering.
False (B)
The presence of vessels in the xylem is a distinguishing characteristic of gymnosperm wood, facilitating efficient water transport.
The presence of vessels in the xylem is a distinguishing characteristic of gymnosperm wood, facilitating efficient water transport.
False (B)
Flowers are reproductive structures found in both angiosperms and gymnosperms; however, gymnosperms produce a modified version called cones.
Flowers are reproductive structures found in both angiosperms and gymnosperms; however, gymnosperms produce a modified version called cones.
True (A)
All spermatophytes utilize ovaries to encase their seeds during development.
All spermatophytes utilize ovaries to encase their seeds during development.
Xylem is considered wood when matured.
Xylem is considered wood when matured.
Flashcards
Angiosperms
Angiosperms
Flowering plants that are the dominant seed-bearing plants.
Gymnosperms
Gymnosperms
Seed plants with seeds not enclosed in an ovary.
Wood
Wood
Mature xylem, a plant tissue.
Spermatophyte
Spermatophyte
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Flower
Flower
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Study Notes
- Module: BIOL 155: Plant Morphology and Anatomy
Angiosperms
- These are flowering plants
- Angiosperms are the dominant seed-bearing plants
- Angiosperms differ because they have their seeds enclosed in an ovary
- Vessels are present in wood (xylem)
- They have a complex reproductive structure known as a flower
- Wood in angiosperms is a matured xylem
Gymnosperms (in contrast to Angiosperms)
- Gymnosperms produce flower-like structures called cones
- The seeds are naked, meaning they are not enclosed in an ovary
- The wood (xylem) lacks vessels
Other info
- Spermatophyte means seed-bearing plants
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Description
Differences between angiosperms (flowering plants with seeds enclosed in an ovary) and gymnosperms (flower-like cones with naked seeds). Angiosperm wood contains vessels, while gymnosperm wood lacks them. Spermatophytes are seed-bearing plants.
