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Invertebrate Characteristics loading

Eukaryotic, heterotrophic animals that lack a vertebral column and bony skeleton.

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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 Characteristics

    Invertebrate Characteristics

    by CK-12 //at grade
    Covers characteristics of invertebrates.
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  • Practice
    Invertebrate Characteristics Practice
    Estimated3 minsto complete
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  • Critical Thinking
    Invertebrate Characteristics Discussion Questions

    Invertebrate Characteristics Discussion Questions

    by CK-12 //at grade
    A list of student-submitted discussion questions for Invertebrate Characteristics.
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  • Real World Application
    I Thought This Happened Gradually?

    I Thought This Happened Gradually?

    by CK-12 //at grade
    This covers rapid speciation, punctuated equilibrium and evolution by means other than natural selection. It covers how scientists use molecular techniques.
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    This indicates how strong in your memory this concept is
  • Real World Application
    Are Clams Rude?

    Are Clams Rude?

    by CK-12 //at grade
    Covers bivalves (mollusks) and their life history and ecology utilizing a viral video of a clam licking salt. Students learn about flight behavior, movement and ecosystems.
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    This indicates how strong in your memory this concept is
  • Real World Application
    Tubular Squirts

    Tubular Squirts

    by CK-12 //at grade
    Covers pelagic tunicates as a vehicle to study adaptation, ecosystem, and evolution.
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    This indicates how strong in your memory this concept is
  • Real World Application
    Life In The Slow Lane

    Life In The Slow Lane

    by CK-12 //at grade
    Covers invertebrates and how they act on a slower time scale than other animals. Seeks to get students to consider how other animals perceive the world and how this can inform studies of all animals.
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  • Real World Application
    Immortal Worms

    Immortal Worms

    by CK-12 //at grade
    Find out how scientists are studying flatworms to learn about aging and regeneration.
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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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