Biology, 10.04.2021 01:00 yeehaw777

Which of the following statements are correct regarding sea urchin gastrulation? -The stomoderm develops into the mouth after connecting to the mesoderm
-The pools of cell formed from the blastula are germ layers
-The flattening of the mesoderm and endoderm occurs before cells are differentiated
-The movement of primary mesenchyme cells occur at the animal poll
(can pick more than one correct statement)

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