Science About Extinctions

1. Definition of EXTINCTION Known Extinct Species 2. Sixty-five million years ago the last of the non-avian dinosaurs went extinct. So too did the giant mosasaurs and plesiosaurs…

Documents 1 Odyssey Expeditions Sharks. 2 Sharks Class Chrondrichthyes -cartilaginous skeleton All are...

Slide 1 1 Odyssey Expeditions Sharks Slide 2 2 Sharks Class Chrondrichthyes -cartilaginous skeleton All are carnivorous Poikilotherms Rough, thick skin, Placoid scales Elongated…