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Invertebrate Evolution loading

Explore different types of body symmetry, tissue organization and embryonic development in invertebrates.

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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
    Invertebrate Evolution

    Invertebrate Evolution

    by CK-12 //at grade
    An overview of the major events in invertebrate evolution.
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  • Read
    Invertebrate Evolution - Advanced

    Invertebrate Evolution - Advanced

    by CK-12 //
    Details the evolution of invertebrates.
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  • Downloadable Quiz
    Invertebrate Evolution Quiz

    Invertebrate Evolution Quiz

    by CK-12 //at grade
    Distinguishing features of invertebrate groups based on evolutionary divide
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  • Practice
    Invertebrate Evolution Practice
    Estimated5 minsto complete

    Invertebrate Evolution Practice

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

    Invertebrate Evolution Discussion Questions

    by CK-12 //at grade
    A list of student-submitted discussion questions for Invertebrate Evolution.
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  • Real World Application
    Ocean Going Slugs!

    Ocean Going Slugs!

    by CK-12 //at grade
    Students learn about invertebrate predators in an open ocean system and their adaptations to their environment.
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  • Real World Application
    Location, Location, Location

    Location, Location, Location

    by CK-12 //at grade
    Uses the symbiotic relationship between a fish and a sea cucumber to address life history, ecology and evolution of these organisms.
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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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  • 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
    Blinded By The Light

    Blinded By The Light

    by CK-12 //at grade
    Lights in the darkness don't just reveal things...they also hide them.
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  • Study Guide
    Invertebrates: Overview Study Guide

    Invertebrates: Overview Study Guide

    by CK-12 //at grade
    This study guide covers characteristics of invertebrates (digestive system, movement, reproduction), invertebrate evolution, protostomes vs deuterostomes, and the major invertebrate phyla.
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