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divisions of vascular plants (Division Ginkgophyta (one living species,…
divisions of vascular plants
Division Cycadophyta
gymnosperms
produce cones
Male and female cones grow on separate plants
Division Gnetophyta
joint firs
three genera of gnetophytes
genus Ephedra
genus Gnetum
Welwitschia
exhibit unusual structural adaptations to their environments.
Can live as long as 1500-2000 years
Division Coniferophyta
develop reproductive structures in cones, and male and female cones develop on different branches on the same plant.
needles are covered in a waxlike coating called cutin that reduces water loss.
pines
Division Ginkgophyta
one living species
small, fan-shaped leaves
ginkgoes
reproductive systems are on separate plants.
tolerate smog and pollu- tion
Division Anthophyta
Flowering plants
make up more than 75% of the plant kingdom today
ClassifIed as monocots, dicots, or eudicots based on the number of cotyledons and the structure of their pollen.
