The shared derived characters of deuterostomes and give brief description about hemichordates. 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.

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Chapter 32.1, Problem 1LO

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To identify: The shared derived characters of deuterostomes and give brief description about hemichordates.

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.

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