Dichotomous Keys
7th grade
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Science
21 minutes ago
masterlamar
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14 QuestionsShow answers
  • Question 1
    60 seconds
    Q. 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?
    answer choices
    Juniper
    Pine
    Spruce
    Fir
  • Question 2
    60 seconds
    Q. Which of the following characteristics will most likely be helpful in identifying a butterfly using a dichotomous key?
    answer choices
    Migrates north every spring
    hangs on branches
    flutters wings fast on hot days
    Wings have long extensions
  • Question 3
    60 seconds
    Q. A dichotomous key for insects is given. To what order does an insect with two pairs of scaly wings belong?
    answer choices
    Coleoptera
    Heteroptera
    Diptera
    Lepidoptera
  • Question 4
    60 seconds
    Q. A dichotomous key for insects is given. To what order does an insect with two pairs of scaly wings belong?
    answer choices
    Coleoptera
    Heteroptera
    Diptera
    Lepidoptera
  • Question 5
    60 seconds
    Q. A student discovers an arachnid with a segmented abdomen, long legs, and a tail with no stinger. The student uses the dichotomous key below to identify it. Which arachnid has the student found?
    answer choices
    Whip Scorpion
    Wind Scorpion
    Daddy long legs
    Scorpion
  • Question 6
    60 seconds
    Q. An illustration and a dichotomous key are given. What is the correct classification for this organism?
    answer choices
    Class Insecta
    Order Amblygygi
    Order Araneae
    Order Scorpiones
  • Question 7
    60 seconds
    Q. A labeled diagram of a fiddler crab is provided. Which of the following is an accurate observation of the structures of a fiddler crab? Fiddler crabs have -
    answer choices
    five pairs of walking legs on each side.
    an enlarged propodus on both front legs.
    a pair of eyes on stalks at the top of the body.
    two pairs or chelipeds for a total of four.
  • Question 8
    60 seconds
    Q. A table of arachnid and insect characteristics is shown. Which characteristic could be used to distinguish between
    arachnids and insects?
    answer choices
    Jointed legs
    Body segments
    Presence of eyes
    Presence of antennae
  • Question 9
    30 seconds
    Q. What step do we always start with when using dichotomous keys?
    answer choices
    1
    2
    3
    4
  • Question 10
    30 seconds
    Q. When using a dichotomous key to identify organisms, what do we look at?
    answer choices
    physical features
    weather patterns
    environment
    diet
  • Question 11
    180 seconds
    Q. What is a dichotomous key used for in science?
    answer choices
    To organize biomes
    Classify organisms
    Identify bacteria only
    None of these
  • Question 12
    30 seconds
    Q. Using this dichotomous key, identify the name of the circled Fish, J.
    answer choices
    peacock flounder
    band-tail puffer
    trumpet fish
    spotted goat fish
  • Question 13
    180 seconds
    Q. A student discovers an arachnid with a segmented abdomen, long legs, and a tail with no stinger. The student uses the dichotomous key below to identify it. Which arachnid has the student found?
    answer choices
    Whip Scorpion
    Wind Scorpion
    Daddy long legs
    Scorpion
  • Question 14
    30 seconds
    Q. Tool used by a taxonomist to identify an unknown organism is a:
    answer choices
    dichotomous key
    binomial nmenclature
    scientific name
    binomial key
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