Chapter 32.1, Problem 1C

Summary Introduction

To explain: Three shared derived characters of deuterostomes.

Concept introduction: Animal phylogeny is the rapidly changing field for the biologists. Even if the members of animal kingdom are incredibly diverse, there are various animals sharing certain features that differentiate them from other organisms of the kingdom. One of the major groups within the animal kingdom is deuterostomia. During Proterozoic eon, deuterostomes are the group of animal those are evolved from a common ancestor. Deuterostomes are assigned to the clade Deuterostomia.