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Vertebrate Reproduction loading

Introduces the three types of reproductive strategies for vertebrates.

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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.
  • Video
    Vertebrate Reproduction

    Vertebrate Reproduction

    by Phani Rayapaneni //at grade
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  • Real World Application
    Horseshoe Crabs and Red Knots

    Horseshoe Crabs and Red Knots

    by Rachel Kurkowski //at grade
    Looks at the relationship between horseshoe crab spawning and Red Knots’ annual migration. Investigates how horseshoe crabs affect Red Knot survival, reasons for declines in horseshoe crabs and seasonal patterns of behavior.
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  • Real World Application
    A Great Leap To Speciation?

    A Great Leap To Speciation?

    by Laurie Ruffenach //at grade
    Covers methods of evolution other than natural selection, effects of invasive species and ecosystems. Looks at changes in the cane toad population since their invasion of Australia.
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