SUPER CROC and A VERY OLD FISH. VOCABULARY ancient very old existed in the past.
CHAPTER 14 FISH, AMPHIBIANS, AND REPTILES p. 394.
Fish Classification Kingdom Animalia Phylum Chordata Class Agnatha ( Jawless Fish) Class Chondrichthyes (Cartilaginous Fish) Class Osteichthyes ( Bony.
12345 A cladogram shows that all chordates evolved from 1.tunicates and lancelets. 2.dinosaur ancestors. 3.fishes. 4.a common ancestor.
Fish. Success of Fish 50,000 Vertebrates Almost 26,000 are fish 9,100 birds; 7,000 reptiles; 4,900 amphibians; 4,500 mammals Why are there so.
Geologic Time Scale NB #41. Time Periods O Eons O Eras O Periods O Epochs.
SUBPHYLUM VERTEBRATA Class Amphibia. Origin and Evolution of Amphibians Introduction About 400 million years ago, the first amphibians evolved from.
