Contents

Introduction
Animal like protists: Protozoans
Multicellular and tissue level Organization
The Triploblastic Acoelomate body plan
The pseudocoelomate body: Aschelminthes
Molluscan Success
Annelida: The metameric body form
The Arthropods: Blueprint of success
The Hexapoda and Mayriapoda
The Echinoderms
Previous University Papers