Four Key Chordate Characteristics. Invertebrate Chordates Cephalochordata -Lancelets/Amphioxus Urochordata –Tunicates/Sea Squirts Vertebrates may have.
Neil Shubin Associate Dean and Bensley Professor of Organismal Biology and Anatomy The University of Chicago Hot Science - Cool Talks Vol. 70 March 25,
Amphibians
The History of Life 2
EASTERN NEWT
Geologic History Very Brief Version
Kingdom Animalia
Amphibians, Reptiles & Birds. Amphibia (frogs, salamanders, newts) The First vertebrates to colonize land Evolved from the Lobe-Finned Fish Have lungs.
Earliest known amphibians evolved from the lobe-finned fish 400 million years ago. The lobe-finned fish had strong fins the eventually turned into.
All About the Little Fish. Vertebrate Cladogram Jawless fish Jaws Sharks Boney Skeleton Ray Finned Bones in Pectoral Fins (Appendages) Lobe finned Paired.
A.Species within a Genus. B.Families within an Order. C.Phyla within a Kingdom. It is easier to study the evolutionary relationships among related…
Amphibians Chapter 40. Origins & Evolution of Amphibians Section 40.1.
