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Placental Mammals loading

Mammals that develop their young internally with the help of a specialized structure known as a placenta.

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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
    Placental Mammals

    Placental Mammals

    by CK-12 //at grade
    Describes how reproduction takes place in placental mammals.
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  • Read
    Placental Mammals - Advanced

    Placental Mammals - Advanced

    by CK-12 //
    Identifies and describes placental mammals.
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    This indicates how strong in your memory this concept is
  • Downloadable Quiz
    Placental Mammals Quiz

    Placental Mammals Quiz

    by CK-12 //at grade
    Quiz about Placental Mammals
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  • Practice
    Placental Mammals Practice
    Estimated3 minsto complete

    Placental Mammals Practice

    by CK-12 //at grade
     
     
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  • Critical Thinking
    Placental Mammals Discussion Questions

    Placental Mammals Discussion Questions

    by CK-12 //at grade
    A list of student-submitted discussion questions for Placental Mammals.
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  • Real World Application
    This Is War!

    This Is War!

    by CK-12 //at grade
    Covers violent behavior in primates and how this relates evolutionarily to humans. Looks at the scientific method and assumptions and prejudices people have brought to research.
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    This indicates how strong in your memory this concept is
  • 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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    This indicates how strong in your memory this concept is
  • 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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  • Study Guide
    Mammalian Reproduction Study Guide

    Mammalian Reproduction Study Guide

    by CK-12 //at grade
    This study guide looks at mammalian reproduction in placental mammals, marsupials, and monotremes.
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  • Flashcards
    Placental Mammals Flashcards

    Placental Mammals Flashcards

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