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Birds loading

Introduces the characteristics of birds, including adaptations for flight.

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Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
  • Read
    Birds

    Birds

    by CK-12 //at grade
    Discusses features of birds and their adaptions for flight.
    MEMORY METER
    This indicates how strong in your memory this concept is
  • Video
    Birds Vertebrates

    Birds Vertebrates

    by CK-12 //at grade
    This video discusses the various adaptations that have evolved in birds to support their movement into air. Emphasizes the circulatory system, reproduction, and other physical structures that make them able to thrive in air.
    MEMORY METER
    This indicates how strong in your memory this concept is
  • Downloadable Quiz
    Birds Quiz - MS LS

    Birds Quiz - MS LS

    by CK-12 //at grade
    Reviews features of birds and their adaptions for flight.
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    This indicates how strong in your memory this concept is
  • Practice
    Birds Practice
    Estimated1 minsto complete

    Birds Practice

    by CK-12 //at grade
     
     
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  • Real World Application
    Making A Dinosaur

    Making A Dinosaur

    by CK-12 //at grade
    Find out how birds are dinosaurs and how scientists hope to manipulate gene expression to breed dinosaurs.
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    This indicates how strong in your memory this concept is
  • Real World Application
    Bird Brains

    Bird Brains

    by CK-12 //at grade
    Find out about research showing bird behavior may be far more sophisticated than previously believed.
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