1. For the last twenty years, archaeologists have found many dinosaur species with feathers which were well preserved. These findings were mainly from China. With this recent…

Slide 1Insects Amphibians Reptiles Fish Birds Mammals Slide 2 A small creatures with no bones, six legs, a body divided intothree parts (the head, THORAX, and ABDOMEN), and…

Slide 1 Slide 2 Slide 3 Slide 4 Slide 5 Slide 6 Slide 7 Slide 8 Slide 9 Slide 10 Question #1: Birds & reptiles are similar in that they are vertebrates & lay eggs.…

Slide 1Growing Dinosaurs Alyse Huisken Nicole Sparks Slide 2 Intro The life history begins with conception and ends with death – Growth stages are observable for extant…

1.Scientific End ofMen..? By Prof.S.Mohana, Tamil Nadu Science Forum.2. Cell & chromosomes There are 46 chromosomes in the nucleus of ourbody cells . Of these, 23 from…

Slide 1 Vertebrate Zoology Domain Eukarya Kingdom Animalia Phylum Chordata Sub-phylum Vertebrata Slide 2 Phylum Chordata Chordates have a nerve cord on the dorsal side of…

Slide 1 Reptiles and Birds Slide 2 Characteristics of Reptiles Members of the class Reptilia live throughout the world in a wide variety of habitats, except in the coldest…

Slide 1 Chapter 41 Reptiles Section 3 Modern Reptiles Slide 2 Characteristics Amniotic egg, internal fertilization of eggs, dry scaly skin, respiration through lungs, ectothermic…

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…

Modern Birds The other remaining Archosaurs are birds given their own class Aves by traditional taxonomists. There are approximately 8,600 species of birds ranging is size…