The skeletal and circulatory systems are produced by
a. the ectoderm.
b. the endoderm.
c. the mesoderm.
d. two of the germ layers.
e. all of the germ layers.
Answer: c
Biology & Microbiology
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Fill in the blank(s) with correct word
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a. true b. false
Biology & Microbiology
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What will be an ideal response?
Biology & Microbiology