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Mammal Ancestors loading

Mammals evolved from amniotic tetrapods and diversified greatly in the cretaceous period.

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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
    Mammal Ancestors

    Mammal Ancestors

    by CK-12 //at grade
    Discusses therapsid ancestors of mammals.
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  • Read
    Ancestors of Mammals - Advanced

    Ancestors of Mammals - Advanced

    by CK-12 //
    Examines the ancestors of mammals and their evolution into mammals.
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  • Video
    Scientist Generate 'Hypothetical' Ancestor To Mammals

    Scientist Generate 'Hypothetical' Ancestor To Mammals

    by Charles Yu //at grade
    Evolutionary biologist around the world used fossil information to piece together the 'Hypothetical Placental Mammal Ancestor.' Courtesy of NewsyScience
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  • Downloadable Quiz
    Mammal Ancestors Quiz

    Mammal Ancestors Quiz

    by CK-12 //at grade
    Quiz about Mammal Ancestors
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  • Practice
    Mammal Ancestors Practice
    Estimated6 minsto complete

    Mammal Ancestors Practice

    by CK-12 //at grade
     
     
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  • Critical Thinking
    Mammal Ancestors Discussion Questions

    Mammal Ancestors Discussion Questions

    by CK-12 //at grade
    A list of student-submitted discussion questions for Mammal Ancestors.
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  • Real World Application
    Wild Horses

    Wild Horses

    by CK-12 //at grade
    Covers artificial selection and domestication of animals by looking at conservation efforts to revive populations of the only truly wild, as opposed to feral, horse population remaining.
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  • Real World Application
    21st Century Auroch

    21st Century Auroch

    by CK-12 //at grade
    Covers attempts to back breed aurochs through the use of genetics and back breeding. Looks at efforts to restore wild areas of Europe by reintroducing the historical herbivore of the ecosystem.
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  • Real World Application
    South of the Equator

    South of the Equator

    by CK-12 //at grade
    Covers domestication of animals in South America. Looks at the use of molecular techniques to determine relationships between species, and how environmental change is affecting remaining wild population of animals.
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  • Real World Application
    Laying An Egg

    Laying An Egg

    by CK-12 //at grade
    Learn about the population status of the platypus in Australia and how they may be speciating.
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  • Real World Application
    The Hunger Games We Create

    The Hunger Games We Create

    by CK-12 //advanced
    Learn about the earth's history of mass extinctions, how close we have come to extinction, and how we are contributing to the sixth extinction event.
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  • Study Guide
    Mammals: Evolution and Classification Study Guide

    Mammals: Evolution and Classification Study Guide

    by CK-12 //at grade
    This study guide reviews mammalian ancestors and evolution, as well as the classical and phylogenetic classifications of mammals.
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  • Flashcards
    Mammal Ancestors Flashcards

    Mammal Ancestors Flashcards

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