28 Oct 2021
Problem 8
Page 721
Section 27.2: Review Questions
Chapter 27: Introduction to Animal Diversity
Textbook ExpertVerified Tutor
28 Oct 2021
Background and context
Animals can be classified on various criteria like
• Presence of body cavity (coelomate, acoelomate, pseudo- coelomate)
• No. of germ layers (triploblastic and diploblastic)
• Symmetry (radial or bilateral)
• Origin of mouth (protostomes or deuterostomes)
Unlock all Textbook Solutions
Already have an account? Log in