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Biology, 30.06.2019 00:10 TheViperMlg23676
Which germ layer develops into bones, kidneys, bladder, ovaries or testes, blood, and muscles, including the heart?
a. mesoderm
b. ectoderm
c. blastula layer
d. endoderm
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Which germ layer develops into bones, kidneys, bladder, ovaries or testes, blood, and muscles, inclu...
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