Chapter 18 - The Evolution of Invertebrate Diversity. After you have mastered the material in this chapter, you will be able to: Describe the defining characteristics of animals, describe the general animal life cycle and the basic body plan, describe the Cambrian explosion and explain two hypotheses to explain its occurrence,. | Chapter 18 The Evolution of Invertebrate Diversity PowerPoint Lectures for Biology: Concepts & Connections, Sixth Edition Campbell, Reece, Taylor, Simon, and Dickey Lecture by Joan Sharp Copyright © 2009 Pearson Education, Inc. Introduction: Fatal or Fake? The mimic octopus can look like a highly venomous sea snake, a toxic flatfish, a sea anemone, or a jellyfish Many animals have antipredator defenses such as mimicry, but only the mimic octopus can mimic multiple toxic animals Copyright © 2009 Pearson Education, .
