McGraw-Hill Online Learning Center Test

McGraw-Hill Online Learning Center Test


1. Review the image and answer the following questions.

What does it mean to be acoelomate?

A. legless
B. lacking a body cavity partially or completely lined with mesoderm
C. lacking symmetry
D. lacking male or female sexual organs


2. What are the advantages of having a coelom?

A. The fluid-filled coelomic cavity provides a place for the development of internal organs.
B. can act as a hydrostatic skeleton in certain animals
C. provides room for "tube within a tube" organization of the digestive system
D. All of these are correct.
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