Identification - Dichotomous Keys

7 Questions | Total Attempts: 629

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Identity Quizzes & Trivia

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Questions and Answers
  • 1. 
    An illustration of two fish is provided.  Which paired statements could be used to know the difference between the fish using a dichotomous key?
    • A. 

      Eyes on side of head. Eyes on top of head.

    • B. 

      One set of dorsal fins. Two sets of dorsal fins

    • C. 

      Mouth at front of head. Mouth on underside of head.

    • D. 

      Rounded caudal fin. Forked caudal fin.

  • 2. 
    An illustration of four leaves and a dichotomous key are provided.  Use the dichotomous key to identify which of the leaves is from the magnolia tree.
    • A. 

      Leaf 1

    • B. 

      Leaf 2

    • C. 

      Leaf 3

    • D. 

      Leaf 4

  • 3. 
    A table of arachnid and insect characteristics is shown.  Which characteristic could be used to distinguish between arachnids and insects?
    • A. 

      Jointed legs

    • B. 

      Body segments

    • C. 

      Presence of eyes

    • D. 

      Presence of antennae

  • 4. 
    A scientist discovers a new plant in the jungle.  Which of the following observations of the plants characteristics would be useful in determining its identity with a dichotomous key?
    • A. 

      It was discovered in the summertime

    • B. 

      It is wet from a recent rain storm

    • C. 

      Its leaves curl up on the edges

    • D. 

      It is eaten by native jungle ants

  • 5. 
    An illustration of three beetles is given.  A student examines three different species of beetles that are related.  What structure is identical in all three beetle species?
    • A. 

      Antennae length

    • B. 

      Placement of eyes

    • C. 

      Markings on abdomen

    • D. 

      Width of thorax

  • 6. 
    A dichotomous key is provided.  A fish is caught that has eyes on the side of its head and a wide body covered in spots.  What kind of fish is this?
    • A. 

      Cornetfish

    • B. 

      Flounder

    • C. 

      Puffer fish

    • D. 

      Snapper

  • 7. 
    An illustration of an organism and a dichotomous key are given.  What is the organism?
    • A. 

      Arachnid

    • B. 

      Dragonfly

    • C. 

      Fruit fly

    • D. 

      May fly