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5 21 tree id
 

5 21 tree id

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    5 21 tree id 5 21 tree id Presentation Transcript

    • Identification Key • A device (printed or computerized) to determine the identity of an unknown species. • Dichotomous keys have two possible answers to each question. • Multichotomous keys have many possible answers to each question • Can use for trees, weeds, & aquatic life
    • Leaf Id • Scales • Needles
    • Broad Leaf • Simple • Compound
    • Lobes • Palmate • Pinnate
    • Compound • Pinnate Compound • Palmate Compound
    • Leaf arrangement • Opposite • Alternate
    • Margins
    • Compound leaves • The leaf starts at the bud.
    • Try this leaf