Evolution And Diversity Plants

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Evolution & Plant Diversity

Evolution & Plant Diversity

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  • 1. Intro to Evolution and Diversity of Life PLANTS
  • 2. Classification
    • Taxonomy
      • Branch of zoology and botany that is concerned with classifying and naming
      • Organisms are organized into related and unrelated groups
  • 3. Classification
    • Why?
      • There are a vast array of different kinds of plants and animals
      • Assign universally-recognized names
      • Organize into related groups
      • Organize on the basis of evolutionary and genetic relationships
  • 4. 5 Kingdoms: Plants Animals Protista Monera Fungi
  • 5. Cells came First
    • Prokaryotic Cells : Cells without a Nuclei
    • Eukaryotic Cells : Cells with a Nuclei
  • 6. Kingdoms-Monera
    • Prokaryotic, unicellular
      • Archaea
        • Mostly unicellular, microscopic organisms living habitats that have high temperatures or high salt levels
      • Bacteria
        • Mostly unicellular microscopic organisms that include both beneficial bacteria and harmful bacteria, like Streptococcus
  • 7. Kingdoms-Protista
    • Eukaryotic, unicellular
      • Protists
        • Mostly aquatic, single-celled organisms
        • Euglena, Paramecium, Amoebas and Diatoms
        • Pond Life
  • 8. 5 Kingdoms: Fungi Plants Animals Protista Monera
  • 9. Kingdom-Fungi
    • Fungi
    • Molds
    • Mushrooms
    • Smuts
    • Yeasts
    Multi-cellular Eukaryotes that form Spores
  • 10. Kingdom Animal
    • Horse
    • Cats
    • Insects
    Multi-cellular Eukaryotic Animals
  • 11. Kingdom-Plants Multi-cellular Eukaryotic Plants
    • Mesquite Tree
    • Creosote Bush
    • Carrots
    • Lilies
    • Prickly Pear
    • Wheat
    • Rice
  • 12.  
  • 13. Plant Kingdom
    • Examples of Divisions in the Plant Kingdom:
      • Bryophyta
        • Moss
      • Pinophyta (Gymnosperms)
        • Pines
      • Magnoliphyta (Angiosperms)
        • Orange tree, rose bush
        • Seed producing plants with true flowers
  • 14. Classes
    • Each Division can be separated into Classes:
      • Magnoliophyta Division
        • Magnoliopsida (dicots)
        • Liliopsida (monocots)
  • 15. Using the Taxonomy Guide for Identification Kingdom Division Class Order Family Genus Species Plantae Magnolophyta Liliopsida Liliales Liliaceae Allium Allium cepa L. Answer : Egyptian onion
  • 16. Naming and Classifying Plants
    • Over 250,000 different kinds of plants
    • Communicating about plants required a method of naming and classifying
  • 17. The Plant Man
    • Carolus Linnaeus (1732)
      • Devised system for categorizing plants
      • Led to modern system of plant taxonomy
      • Published Species Plantarum in 1753.
  • 18. Binomial System of Classification
    • Each plant has a 2-word (binomial) name given in Latin
      • First refers to plant’s genus
      • Seconds refers to plant’s species
      • Latin name understood internationally
    • Genus and species are italicized
      • Homo sapiens =human
  • 19. Binomial System of Classification
    • Two words
    • First word is genus (capitalize)
    • Second word is species (underline)
    • Or put both words in italics
    • Example: Homo sapiens =human
  • 20. Binomial Names
    • Common Name:
      • Southern Magnolia
    • Latin Binomial Name:
      • Magnolia grandiflora
  • 21. Binomial Names
    • Common Name:
      • Saguaro
    • Latin Binomial Name:
      • Carnegiea gigantea
  • 22. What is a species?
    • A group of individuals capable of interbreeding and producing fertile offspring.
  • 23. Diversity of Life
    • Biologists have identified about 1.5 million species including
    • These are just the species that have been identified!
    • Biologists estimate that there are anywhere from 5 to 30 million species and there are thousands of newly identified species added yearly.