PPT-Class Aves BIRDS External Anatomy

Feathers insulation and flight 1 Modified scales that help regulate body temperature 2 Structure and variety varies from bird to bird Structure Types Contour Covers the body wings and tail. PAGES 520-541. Class Amphibia, Class Reptilia, and Class Aves. Class Amphibia. Amphibian means “double life” – a water life and a land life. They hibernate (sleep deeply for a long time) in cold weather. Characteristics. Over 9900 species. Outnumber all other vertebrates except fishes. Single unique feature set apart birds from other animals. Feathers - If it has feathers it’s a bird. Entire anatomy is designed around flight. . About 9,000 species of . birds. are in the . class Aves. ..   Bird classification is based on beak and foot types, and some habitats and behaviors. . Birds of prey have notched beaks and sharp talons. . 18A. Common Characteristics. Covered with feathers. Have thin-walled, often hollow bones (these bones are not lighter, but they are denser, stiffer, and stronger). Require enormous amounts of energy. Birds are reptile like animals that maintain a constant. internal body temperature. . They have an outer covering of feathers, 2 legs that . are covered with scales and front limbs modified. into wings.. up front. Objective:. I will be able prepared to take the EOC Marine Final. Agenda:. Phylum Test!. EOC Review. Aves . group . send me any documents you need printed!. Homework:. Fish Food Project. Monday. PAGES 520-541. Class Amphibia, Class Reptilia, and Class Aves. Class Amphibia. Amphibian means “double life” – a water life and a land life. They hibernate (sleep deeply for a long time) in cold weather. Scientists use morphological evidence & blood proteins, chromosomes & DNA to classify birds . beaks, feet, plumage(feathers), bone structure & musculature are examples of morphological evidence . Feathers – insulation and flight. 1. . Modified scales that help regulate body temperature.. 2. . Structure . and variety varies from bird to bird.. Structure Types. . Contour – Covers the body, wings and tail. . . &. Nick Zorn. Class Aves. A. round . 10,000 living . species. Largest number of species out of all . Tetrapods. Adaptations of birds:. Hollow Bones. Beaks. Feathers. Wings . Order . Sphenisciformes. To analyze the functions of the external anatomy of livestock species.. To compare the external anatomy of various livestock species.. 2. Table of Contents. Anatomical Terms of Location. External Components of Livestock. Lección con un pajarera virtual de . ASU Ask A Biologist - askabiologist.asu.edu/activities/birds. La ciencia aprende a volar - Lección II - sonidos de las aves. Las aves "cantan" para atraer a compañeras y anunciar sus territorios. . Birds first appear, unambiguously, in the fossil record in the Jurassic (. ~. 150 mya). First . bird is . Archaeopteryx. .. Transitional form between reptiles and modern birds.. Possessed reptilian skull with teeth, long bony tail, and claws on digits, but had feathers just like modern birds.. On the basis of teeth, claws on fingers, tail vertebrae and hand bones, class Aves is divided into two sub-classes . TWO SUB-CLASSES OF CLASS AVES . Sub-class . Archaeornithes. Sub-class Neornithes .