for the
European Union Human Brain Project
Monograph of Dr. rer. nat. Andreas Heinrich Malczan
ISBN 978-3-00-064888-5
Kapitel 2
2. Vertebrates and their classification
2.1. Basic characteristics of vertebrates
2.2 The unicellular organisms
2.3 From the single-celled colony to multi-celled organism
2.4 The tunicates - ancestors of the vertebrates?
2.5. The emergence of segmented living beings