Question

Which of the following statements about the body cavity of animals is true ?

• A. The body cavity of coelomates develops from the embryonic ectoderm.
• B. The acoelomates’ body cavity is filled with liquid.
• C. The pseudocoel of the pseudocoelomates have a peritoneum.
• D. The acoelomates do not have an enclosed body cavity.

Answer 1

Answer: (D)

The body cavity of coelomates develops from the mesoderm and contains a peritoneum. The acoelomates lack a body cavity.