Science

7th

grade

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Dichotomous Keys

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  • 1. Multiple Choice
    30 seconds
    1 pt
    Image
    A dichotomous key for trees is provided. Hikers found a tree that has large brown cones and single sharp needles. What species of tree have the hikers found?
    Juniper
    Pine
    Spruce
    Fir
  • 2. Multiple Choice
    30 seconds
    1 pt
    Which of the following characteristics will most likely be helpful in identifying a butterfly using a dichotomous key?
    Migrates north every spring
    hangs on branches
    flutters wings fast on hot days
    Wings have long extensions
  • 3. Multiple Choice
    30 seconds
    1 pt
    Image
    A dichotomous key for insects is given. To what order does an insect with two pairs of scaly wings belong?
    Coleoptera
    Heteroptera
    Diptera
    Lepidoptera
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