Final answer:
In plant classification, not all vascular plants have seeds; nonvascular plants like mosses do not produce seeds, while seed plants encompass angiosperms and gymnosperms.
Explanation:
The statement about plant classification that is true:
- All vascular plants do not necessarily have seeds, as some are seedless vascular plants like ferns.
- Nonvascular plants, such as mosses, do not produce seeds.
- Seed plants comprise angiosperms, which produce seeds in flowers, and gymnosperms, which produce seeds in cones.
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