Identify the characteristic of acoelomates.
Correct answer: D. Solid-body without a cavity surrounding internal organs
- A. Absence of mesoderm
- B. Absence of brain
- C. Coelom that is incompletely lined with a mesoderm
- D. Solid-body without a cavity surrounding internal organs
Explanation
Acoelomates lack a coelom (neither true nor false/pseudocoelom). Hence they lack a cavity surrounding internal organs and have a solid body.
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