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Past, Present and Future of Plant Diversity
- 11. PAST
- 12. Time Era Period Epoch Plants & Microorganisms 10, 000 years ago to present Cenozoic Quaternary Holocene Decline of some woody plants; rise of herbaceous plants. 2 Pleistocene Extinction of many plant species.
- 13. 5 Cenozoic Tertiary Pliocene Development of grasslands; decline of forest. 25 Miocene Flowering plants continue to diversify. 38 Oligocene Spread of forests; flowering plants. 55 Eocene Gymnosperms & flowering plants dominant. 65 Paleocene Many now-extinct woody flowering plants.
- 14. 144 Mesozoic Cretaceous Rise of flowering plants. 213 Jurassic Gymnosperms common. 248 Triasssic Gymnosperms dominant; ferns common.
- 15. 286 Paleozoic Permian Conifers diversify; cycads appear. 360 Carboniferous Forests of ferns, club mosses, horsetails, and gymnosperms; mosses & liverworts. 408 Devonian Plants diversify & become well-established; first forest; gymnosperms appear; bryophytes appear. 438 Silurian Vascular plants appear; algae dominant in aquatic environments. 505 Ordovician Marine algae dominant. 570 Cambrian Algae; bacteria & cyanobacteria; fungi.
- 18. PRESENT
- 21. FUTURE
- 23. Crocodilian nepenthes Plants at Planet Mars