McGraw-Hill OnlineMcGraw-Hill Higher EducationLearning Center
student Center | instructor Center | information Center | Home
Suggestions For Research Paper
Web Links
Segmentation
Multiple Choice Quiz
Essay Quiz
Essential Study Partner
Body Plans of Bilaterally S...
Mollusk Body Plan
Cephalopod Intelligence
A Molecular Phylogeny of Ga...
Raven/Johnson: Chapter 45
Feedback
Help Center


Biology Laboratory Manual, 6/e
Darrell S. Vodopich, Baylor University
Randy Moore, University of Minnesota--Minneapolis


Essay Quiz

Complete the essay questions below and provide your answers as required by your instructor.



1

Compare and contrast the foot structure of the classes of mollusks and their modes of locomotion. How does the modifications of their foot relate to their modes of feeding and living?
2

Compare and contrast the body cavities of Phyla Platyhelminthes, Nematoda, and Annelida.
3

Basically explain how circular muscles and setae allow earthworms to burrow.