Species diversity of some dicotyledonous medicinal plants ...
Diversity of Plants-H
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Transcript of Diversity of Plants-H
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Diversity of Plants
Introduction to Plants
Mosses
Ferns
Conifers
Flowering Plants
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Introduction to Plants
A. Origin of Plants
B. Characteristics
C. Classification
D. Ecological Role
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B. Characteristics
1. Eukaryotic
2. Multicellular
3.Autotrophic
4. Reproduce sexually and
asexuallya. alternation of generations
1) gametophyte (n)
2) sporophyte (2n)_
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C. Classification
1. Mosses (Bryophyte)
2. Ferns (Pteridophyte)
3. Conifers (Gymnosperms)
4. Flowering (Angiosperms)_
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THE END
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Mosses and Other Bryophytes
A. Characteristics
B. Habitat
C. Examples
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A. Characteristics
1. Small and carpet-like
2. Protection for the developingembryo
a. antheridium- sperm
b.archegonium- egg
3. No vascular tissue rhizoidsare root-like structures
4. Reproduce by spores_
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B.Habitat
1. Live in moist shady areas
a. surface of logs, rocks, andsoil
b. stream banks
c.the spray of waterfalls_
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C. Examples
1. Mosses_
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2. Liverworts_
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3. Hornworts_
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THE END
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Ferns and Other Pteridophytes
A. Characteristics
B. Habitat
C. Examples
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A. Characteristics
1. Fronds- leaf of fern growfrom underground stem(rhizome)
2. Protection for embryo
3. Have vascular tissue
a. true roots, stems, andleaves
b. strengthened by lignin
4. Reproduce by spores_
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B.Habitat
1. Live in moist shady areas
a. forest floor
b. moist cliff faces
2. Dominated the ancient Coal
Forests of the PaleozoicEra_
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C. Examples
1. Ferns_
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2. Horsetails_
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3. Club mosses_
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4.Whisk Ferns_
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THE END
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Conifers & Other Gymnosperms
A. Characteristics
B. Habitat
C. Examples
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A. Characteristics
1. Bare needle-shape leaves andcones with pollen
2. Protection for embryo
3. Have vascular tissue
4. Reproduce by seeds producedin cones
a. small- male, microsporemakes pollen
b. large- female, megasporemakes ovule_
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B.Habitat
1. Live in colder dryer areas
a. northern forests
b. mountains
2. Dominate Canada, Alaska, andnorthern Europe_
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C. Examples
1. Conifers_
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2. Cycads_
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3. Gnetophytes_
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4. Ginkgos_
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THE END
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Flowers & Other Angiosperms
A. Characteristics
B. Habitat
C. Examples
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A. Characteristics
1. Produce flowers with pollenand fruits (doublefertilization- embryo andendosperm)
2. Protection for embryo
3. Have vascular tissue4. Reproduce by seeds_
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5. Used to be classified into twogroups
a. monocots
b. dicots
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B.Habitat
1. Live in all areas
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C. Examples
1.Amborella2.Water lilies
3. Star Anise
4. Monocots
5. Dicots
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A. Characteristics
1. Small and carpet-like2. Protection for the developing
embryo
a. antheridium- sperm
b. archegonium- egg
3. No vascular tissue
4. Reproduce by spores_
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A. Characteristics
1. Small and carpet-like2. Protection for the developing
embryo
a. antheridium- sperm
b. archegonium- egg
3. No vascular tissue
4. Reproduce by spores_
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A. Characteristics
1. Small and carpet-like2. Protection for the developing
embryo
a. antheridium- sperm
b. archegonium- egg
3. No vascular tissue
4. Reproduce by spores_
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A. Characteristics
1. Small and carpet-like2. Protection for the developing
embryo
a. antheridium- sperm
b. archegonium- egg
3. No vascular tissue
4. Reproduce by spores_
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A. Characteristics
1. Small and carpet-like2. Protection for the developing
embryo
a. antheridium- sperm
b. archegonium- egg
3. No vascular tissue
4. Reproduce by spores_