Wednesday, January 11, 2012

Muddddyy muddddy point

Hey!its Kara, what the heck is the ectoderm, mesoderm, and endoderm? Where are they?

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1 comment:

  1. AnonymousJanuary 11, 2012 at 10:02 PM

    ectoderm=skin
    mesoderm=bone etc.
    endoderm=organs etc.

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