Cnidarians Have an Outer Layer Derived from Ectoderm, an Inner

question 11

Multiple Choice

Cnidarians have an outer layer derived from ectoderm, an inner layer from endoderm, and a ____.

• A)middle layer of mesoderm
• B)watery middle layer
• C)well-developed brain
• D)jellylike matrix in between
• E)complete gut

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