Convergent

Theory Of Evolution
Theory Of Evolution
Theory of Evolution TABLE OF CONTENTS Page INTRODUCTION ............................................... 2 DARWINIAN THEORY OF EVOLUTION .............................. 4 THE THEORY OF BIOLOGICAL EVOLUTION: CONTRIBUTING ELEMENTS ....................... 7 WALLACE'S CONTRIBUTIONS ................................... 13 HARDY-WEINBERG PRINCIPLE .................................. 15 COMPARISON: LAMARCK vs. DARWIN ........................... 16 DARWIN'S INFLUENCES .......................................
Dinosaurian Synapomorphies Found In Archaeopteryx
Dinosaurian Synapomorphies Found In Archaeopteryx
Dinosaurian Synapomorphies Found In Archaeopteryx ------------------------------------------------------------------------ As promised, here are the derived characters with which Gauthier (in his 1986 paper) unites Archaeopteryx with modern birds, outside of all other theropods (with Gauthier's original clarifiers in parens) [and with my editorial comments in brackets]: Premaxillae elongate, narrow, and more pointed anteriorly, with longer nasal processes [similar condition in bullatosaurs, and