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Groups, Phyla, Classes
1  Kingdom 2 Groups 10 Phyla 290,000+ Species
GroupNonvascular Plants(Bryophytes) Phylum         Common Name   Estimated # of                              Species 1. Ph...
GroupVascular Plants:     *Seedless Vascular PlantsPhylum       Common Name   Estimated # of                           Spe...
Vascular Plants    *Seed Plants        -Gymnosperms (seeds are           not enclosed in a chamber) Phylum          Common...
Vascular Plants    *Seed Plants        -Angiosperms (seeds are           contained)  Phylum       Common Name        Estim...
Group: Novascular PlantsNo  water-conducting cells (xylem).
1. Phylum Hepatophyta Some    liverworts have flattened  gametophytes while others have  stemlike gametophytes. The game...
2. Phylum Anthocerophyta The  sporophytes have a long, tapered  shape. A hornwort sporophyte lacks seta and  consists on...
3. Phylum Bryophyta Bryophyta   are nonvascular embryophytes  that have no water-conducting tissues. Known as mosses, th...
Vascular PlantsXylem tissue, true roots, stems & leaves.
4. Phylum Lycophyta Many    lycophytes grow on other plants as  epiphytes (plants that use other plants as  a substrate b...
5. Phylum Pterophyta Thisphylum includes ferns, horsetails, and  whisk ferns and relatives. Ferns radiated from their De...
6. Phylum Ginkgophyta There   is only one surviving species of  this phylum, the Ginkgo biloba. This phylum, and species...
7. Phylum Cycadophyta The second largest group of  gymnosperms, they have large  cones and palmlike leaves. Cycads thriv...
8. Phylum Gnetophyta Have woody vascular system Consists of three genera: Gnetum,  Ephedra, and Welwitschia. These have...
9. Phylum Coniferophyta Thisphylum is by far the largest of the  gymnosperms. Many are large trees. Most conifers are e...
9. Phylum AnthophytaThisencompasses all angiosperms (flowering plants).The flower itself is a development used for sexua...
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Groups, phyla, classes

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Transcript of "Groups, phyla, classes"

  1. 1. Groups, Phyla, Classes
  2. 2. 1 Kingdom 2 Groups 10 Phyla 290,000+ Species
  3. 3. GroupNonvascular Plants(Bryophytes) Phylum Common Name Estimated # of Species 1. Phylum Liverworts 9,000 Hepatophyta 2. Phylum Hornworts 100 Anthocerophyta 3. Phylum Mosses 15,000 Bryophyta
  4. 4. GroupVascular Plants: *Seedless Vascular PlantsPhylum Common Name Estimated # of Species4. Phylum Lycophytes 1,200lycophyta5. Phylum Pterophytes 12,000pterophyta
  5. 5. Vascular Plants *Seed Plants -Gymnosperms (seeds are not enclosed in a chamber) Phylum Common Name Estimated # of Species 6. Phylum Ginkgo 1 Ginkgophyta 7. Phylum Cycads 130 Cycadophyta 8. Phylum Gnetophytes 75 Gnetophyta 9. Phylum Conifers 600 Coniferophyta
  6. 6. Vascular Plants *Seed Plants -Angiosperms (seeds are contained) Phylum Common Name Estimated # of Species 10. Phylum Flowering plants 250,000 Anthophyta
  7. 7. Group: Novascular PlantsNo water-conducting cells (xylem).
  8. 8. 1. Phylum Hepatophyta Some liverworts have flattened gametophytes while others have stemlike gametophytes. The gametophytes themselves are liver-shaped.
  9. 9. 2. Phylum Anthocerophyta The sporophytes have a long, tapered shape. A hornwort sporophyte lacks seta and consists only of sporangium. Hornworts are often among the first to colonize open area with moist soils. They share a symbiotic relationship with nitrogen-fixing cyanobacteria.
  10. 10. 3. Phylum Bryophyta Bryophyta are nonvascular embryophytes that have no water-conducting tissues. Known as mosses, these organisms range in height from less than 1 mm to up to 2 m. Persistent unbranched sporophytes No vascular system
  11. 11. Vascular PlantsXylem tissue, true roots, stems & leaves.
  12. 12. 4. Phylum Lycophyta Many lycophytes grow on other plants as epiphytes (plants that use other plants as a substrate but are not parasites). Other species grow on forest floors. Others live below ground, gaining nutrients from fungi. It includes sporophytes, club mosses, spike mosses, and quillworts.
  13. 13. 5. Phylum Pterophyta Thisphylum includes ferns, horsetails, and whisk ferns and relatives. Ferns radiated from their Devonian origins and grew next to tree lycophytes and horsetails. They are most diverse in the tropics, but there are some species that have adapted to arid climates.
  14. 14. 6. Phylum Ginkgophyta There is only one surviving species of this phylum, the Ginkgo biloba. This phylum, and species, has deciduous fanlike leaves that turn gold in the Fall. It tolerates air pollution well.
  15. 15. 7. Phylum Cycadophyta The second largest group of gymnosperms, they have large cones and palmlike leaves. Cycads thrived during the Mesozoic era, known as the age of cycads and the age of dinosaurs.
  16. 16. 8. Phylum Gnetophyta Have woody vascular system Consists of three genera: Gnetum, Ephedra, and Welwitschia. These have been grouped together based on molecular data.
  17. 17. 9. Phylum Coniferophyta Thisphylum is by far the largest of the gymnosperms. Many are large trees. Most conifers are evergreens, remaining green all year round. When spring comes around, conifers already have fully developed leaves.
  18. 18. 9. Phylum AnthophytaThisencompasses all angiosperms (flowering plants).The flower itself is a development used for sexual reproduction.Use fruit to encompass seeds.
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