The document provides an overview of comparative vertebrate anatomy and chordate origins and phylogeny. It discusses key vertebrate characteristics like the notochord and dorsal hollow nervous system. It describes the subclasses within the phylum Chordata, including vertebrates, tunicates, and amphioxus. It also outlines the classes and characteristics of early jawless fishes and jawed fishes, as well as the evolution of land vertebrates.

1. Comparative Vertebrate Anatomy Chordate Origins & Phylogeny Presented by: Geonyzl Lepiten

8. Vertebrate beginnings

12. Cathaymyrus

15. Tunicate anatomy Larval stage of the tunicate

27. Vertebrate Eggs

42. Fish blastula

43. Grastula

54. The endoderm produces tissue within the lungs , thyroid , and pancreas . The mesoderm aids in the production of cardiac muscle , skeletal muscle , smooth muscle , tissues within the kidneys , and red blood cells . The ectoderm produces tissues within the epidermis and aids in the formation of neurons within the brain, and melanocytes .

62. The End of the Chapter