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Biology, 04.10.2019 20:30 safiyyahrahman6907

Gastrulation
a. changes the hollow blastocyst into a hollow embryo that has three tissue layers
b. changes the solid blastocyst into a hollow embryo that has three tissue layers
c. changes a gastrula into a blastocyst
d. changes a hollow embryo into a solid gastrula
e. stimulates labor

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Gastrulation
a. changes the hollow blastocyst into a hollow embryo that has three tissue laye...
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