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Animal Evolution loading

The first animals likely evolved from marine protists that clumped together in colonies.

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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
    Animal Evolution

    Animal Evolution

    by CK-12 //at grade
    An overview of the major trends in animal evolution.
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  • Video
    Evolution in a Big City

    Evolution in a Big City

    by CK-12 //at grade
    Examines the dynamics of evolution in some animals in urban environments.
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  • Downloadable Quiz
    Animal Evolution Quiz

    Animal Evolution Quiz

    by CK-12 //at grade
    The origins of animal evolution and fossils
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  • Practice
    Animal Evolution Practice
    Estimated3 minsto complete

    Animal Evolution Practice

    by CK-12 //at grade
     
     
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  • Critical Thinking
    Animal Evolution Discussion Questions

    Animal Evolution Discussion Questions

    by CK-12 //at grade
    A list of student-submitted discussion questions for Animal Evolution.
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  • Real World Application
    Attack of the Killer Sponge

    Attack of the Killer Sponge

    by CK-12 //at grade
    Covers carnivorous sponges as a model for adaptation. Compares similar adaptations between carnivorous plants and carnivorous sponges. Looks at how sponge adaptability informs us about early life forms.
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    This indicates how strong in your memory this concept is
  • Real World Application
    Velvet and Slime

    Velvet and Slime

    by CK-12 //at grade
    Looks at velvet worms as an example of an old body form that still persists in some ecosystems. Seeks to get students to consider the basis of science and question their existing perceptions on the organization of life.
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  • Real World Application
    The Big, The Deep, and the Creepy

    The Big, The Deep, and the Creepy

    by CK-12 //at grade
    Looks at giant isopods as a vehicle to investigate conditions in the deep-sea, how these animals adapt to these conditions, and how these adaptation are similar to adaptations seen on islands.
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  • Real World Application
    Life Among The Rapids

    Life Among The Rapids

    by CK-12 //at grade
    The Congo River is known for its diversity of unique species. Find out what researchers think is driving this process.
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  • Real World Application
    Monkey See...Wait, That's Not A Monkey!

    Monkey See...Wait, That's Not A Monkey!

    by CK-12 //at grade
    Learn about how adaptive primates can be.
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  • Study Guide
    Animals: Overview Study Guide

    Animals: Overview Study Guide

    by CK-12 //at grade
    This study guides look at animals and their characteristics, animal cells, nine major phyla of animals, invertebrates versus vertebrates, and major points of animal evolution.
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  • Flashcards
    Animal Evolution Flashcards

    Animal Evolution Flashcards

    by CK-12 //at grade
    These flashcards help you study important terms and vocabulary from Animal Evolution.
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