Birds avian dinosaurs Phylum Chordata Subphylum Vertebrata Class Agnatha Class Chondrichthyes Class Osteichthyes Class Amphibia Class Reptilia Class Aves Class Mammalia Characteristics…
Welcome to Chemistry Monday November 1, 2010 (Continental Drift and Plate Tectonics) The Launch Pad Monday, 11/1/10 Why do modern birds show more of a similarity to modern…
TOEFL VOCABULARY PRACTICE TEST 1 TOEFL VOCABULARY PRACTICE TEST 1 1. It is evident that animals played a predominant role in the world of the upper Paleolithic Period. (A)…
Class Reptilia â Amniote Origins and Nonavian Reptiles With the reptile group(s) we see better adaptation to a terrestrial existence. 1) shelled amniotic egg 2) tough, dry…