Which of these can be found in both gymnosperms and angiosperms?

Both gymnosperms and angiosperms are vascular plants, so they have vascular tissue, and both reproduce using seeds. Gymnosperms have exposed seeds, while angiosperm seeds are enclosed in fruits; flowers are characteristic of angiosperms. Therefore, the shared features are vascular tissue and seeds.

AI-written and checked against the verified answer.