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Home Q & A Board Biology-Related Homework Help General Biology
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studyperfect studyperfect
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6 years ago
Gastrulation produces
  a. hollow balls of cells.
  b. embryos with primary tissue layers.
  c. solid balls of cells.
  d. maternal messages.
  e. all of these.

Question 2

The letter D from the above figure represents
  a. ectoderm.
  b. endoderm.
  c. mesoderm.
  d. neural plate.
  e. all of these.
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fayez_83fayez_83
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studyperfect Author
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6 years ago
Thanks
taydav
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Yesterday
Thanks for your help!!
Katey_maree
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2 hours ago
Smart ... Thanks!
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