Gills to lungs
The Phylum Chordata This phylum has 3 subphyla - Urochordata - Cephalochordata -Craniata Chordates are deuterostomes (sensu strictu) Possess four unique.
To be classified into this Phylum, members must have the following characteristics at some point in their development 1. Hollow Dorsal Nerve Cord Nerve.
Chordates Chapter 23. I. Ancestry and Evolution Anatomical, developmental, and molecular evidence indicate chordates arose about 570 mya from lineage.
Cephalochordates Urochordates (Ascidians) Vertebrates Hemichordates Echinoderms Ambulacraria Deuterostomia Phylum Chordata.
Lecture 20: Comparative anatomy What do animals do to survive? havearecarry out withsuch as All Animals FeedingRespirationCirculationExcretionResponseMovementReproduction.
Chapter 23: Phyla Chordata
Vertebrate Beginnings
Phylum : CHORDATA
