Documents Unit 4. Meaning o Echino= spiny o Dermis= skin The skin of these animals is stretched over an...

Slide 1 Unit 4 Slide 2 Slide 3  Meaning o Echino= spiny o Dermis= skin  The skin of these animals is stretched over an endoskeleton, or internal skeleton formed…

Documents The Animal Kingdom: The Deuterostomes Chapter 31.

Slide 1 The Animal Kingdom: The Deuterostomes Chapter 31 Slide 2 Learning Objective 1 What are the shared derived characters of deuterostomes? What are the shared derived…