To compare and classify a "living fossil," the coelacanth, in relation to a moray eel and a bull shark. Review with students the meaning of the phrase "living fossil" (an organism with a basic body ...
GRAPHICAL ABSTRACT COMPARES THE CRANIAL ANATOMY OF THE ORCA AND FALSE KILLER WHALES, AS WELL AS THEIR CLOSEST KNOWN FOSSIL RELATIVES, ORCINUS AND THE NEWLY DISCOVERED RODODELPHIS, RESPECTIVELY. THESE ...