Which of the following developmental stages has a hollow fluid-filled cavity surrounded by one or more layers of cells?

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    zygote
    morula
    blastula
    B and C are correct.
    A, B, and C are all correct.
asked May 19, 2013 in Biology by anonymous
    

1 Answer

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blastula
answered May 20, 2013 by Bioshare ~Top Expert~ (34,070 points)

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