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Gymnosperms - BIOLOGY4ISC
8.5 Seed Plants: Gymnosperms – VCU BIOL 152: Introduction to Biological Sciences II
Life Cycle of Gymnosperms | CK-12 Foundation
Seed Plants Two groups of seed plants: Gymnosperms Gymnosperms Angiosperms Angiosperms Gymnosperms include the conifers and cycads and this group originated. - ppt download