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Classifying and Naming Plants. Objectives. Students will be able to: D escribe plant taxonomy and classification Distinguish the major plant groups Explain plant nomenclature D escribe how plants are classified by life cycle. What is plant taxonomy and classification?.

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objectives
Objectives

Students will be able to:

  • Describe plant taxonomy and classification
  • Distinguish the major plant groups
  • Explain plant nomenclature
  • Describe how plants are classified by life cycle

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what is plant taxonomy and classification
What is plant taxonomy and classification?
  • ________________- the branch of biology that deals with identifying and naming organisms.
  • It’s a way of taking inventory of the living resources
  • _____________________________________________
  • Used to demonstrate the diversity of organisms, how they are related, and how they have evolved

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what is plant taxonomy
What is plant taxonomy?
  • Greek philosopher, Aristotle, is recorded having used taxonomy.
  • 1700s, Carl von Linne, of Sweden determined a classification system for minerals, plants, and animals

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what is plant taxonomy1
What is plant taxonomy?
  • Kingdom ____________:
    • Single-celled microscopic organisms lacking membrane-bound nuclei
    • __________________
  • Kingdom Protista:
    • Single-celled or simple multi-celled organisms
    • _____

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what is plant taxonomy2
What is plant taxonomy?
  • Kingdom Fungi:
    • Organisms that lack plastids and photosynthetic pigments
    • ______________________________________________
    • Decomposers
  • Kingdom Plantae:
    • Multicellular photosynthetic organisms with distinct developmental stages
    • _______________________

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what is plant taxonomy3
What is plant taxonomy?
  • Kingdom ______________:
    • Multicellular organisms with advanced tissue differentiation and complex organ systems
    • _____________________________________________
    • ________________________
    • Heterotrophs or consumers on earth fall into this kingdom

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taxonomic classification
Taxonomic Classification
  • _______________________________
  • Organisms are place in an order or rank
  • __________________________________________________
  • Kingdom
  • Phylum
  • Class
  • Order
  • Family
  • Genus
  • Species

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taxonomic classification1
Taxonomic Classification
  • Classification is based on Morphology
    • Which is the study of the internal and external appearance of an organism
      • ________________________________________________

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taxonomic classification2
Taxonomic Classification
  • _______________________________________
      • Species are composed of organisms with characteristics that distinguish them from other groups in a genus
      • Species can pass distinct characteristics from one generation to another

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taxonomic classification3
Taxonomic Classification
  • Closely related organisms comprised of ______________________________.
    • Plants with the same genus are more similar to one another than with plants of other genera
    • ______________-share similarities are grouped in families

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herbarium
Herbarium
  • A collection of pressed, dried, and labeled plants
  • __________________________________
  • Useful in educational settings for plant ____________________________

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how do you put plants into groups
How do you put plants into groups?
  • Bryophytes-plants classified in the Phylum Bryophyta
  • _______________________
  • _____________________________________________
  • Examples:
    • Mosses
    • Liverworts

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how do you put plants into groups1
How do you put plants into groups?
  • All higher plants are in the Phylum Tracheophyta
  • _____________________________
  • Ferns: vascular plants that reproduce by spores.
    • Can be called the amphibians of the plant world
    • ______________________________
    • Have no true leaves instead they have Fronds
    • Fronds tend to unfold from the center of the plant
      • The newest fronds are called “fiddlehead”

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how do you put plants into groups2
How do you put plants into groups?
  • Gymnosperms are plants that reproduce with seeds that lay naked on scales
  • Reproduce using a structure called a “cone”
    • __________________________
    • Conifer leaves are either needles or scales
    • Evergreen-holding leaves year round
    • _____________________________________
      • Larch and baldcypress

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how do you put plants into groups3
How do you put plants into groups?
  • Angiosperms-flowering plants that produce seeds that develop into fruiting bodies
  • _______________________
  • _______________
    • single cotyledon or seed leaf
    • Cotyledon used for food storage in the form of starch
    • Have flower parts in multiples of three, narrow leaves with parallel leaf venation, and stems with scattered vascular bundles.
      • _______________________________________________

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how do you put plants into groups4
How do you put plants into groups?
  • ________________
    • _______________________________________
    • Flower parts are in multiples of four or five, broad leaves with netted venation, and stems with vascular bundles organized in a ring pattern
    • Alfalfa, oak, rose, cotton, and strawberry

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what is plant nomenclature
What is plant nomenclature?
  • Nomenclature:
    • _______________________________________
  • Agricultural plants are referred to by common name
  • Plants often have more than one common name
  • ___________________________________________________

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what is plant nomenclature1
What is plant nomenclature?
  • Scientific name
    • _______________________
    • Consists of two names
    • _______________________
    • The other is the species

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how are plants classified by life cycle
How are plants classified by life cycle?
  • Refers to the time required for a seed to germinate and the seedling to grow vegetatively, flower, produce a viable seed
  • Three categories
    • ______________
    • ______________
    • ______________

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how are plants classified by life cycle1
How are plants classified by life cycle?
  • Annuals: Plants that complete their growing cycles within one year or one growing season
  • Seeds of annuals germinate, produce leaves and roots, flower, produce seed, and then die
  • __________________________________________

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how are plants classified by life cycle2
How are plants classified by life cycle?
  • Summer annuals:
    • ___________________________________
    • Summer annuals produce leaves, flowers, and seed before dying during the summer of fall
    • _______________________________________
    • Corn, soybeans, rice, wheat, potatoes, tomatoes

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how are plants classified by life cycle3
How are plants classified by life cycle?
  • ___________________:
    • Germinate in the fall
    • The immature plant overwinters as a compact rosette
    • Once it has received a period of cold treatment, it bolts
    • _________________- is a process in which the stem of a plant rapidly elongates at the time of flowering
      • Flowers then develop, seeds are set, and the plant dies
      • _____________________

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how are plants classifies by life cycles
How are plants classifies by life cycles?
  • _____________________
    • Usually requires two growing seasons to produce flowers and seed before dying
    • First growing season they grow vegetatively
    • ____________________________________________
    • Growth is resumed in the spring
    • Plants bolt, flower, produce a seed, and die
    • __________________
      • Hollyhock, Sweet William, parsley, beets, and carrots

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how are plants classified by life cycle4
How are plants classified by life cycle?
  • Perennials
    • ____________________________________________
    • ____________________________________________

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