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. 95 Eggs Benedict Two Poached Eggs with Canadian Bacon Topped with a Hollandaise Sauce 995 Eggs Florentine Two Poached Eggs with Spinach Topped with a Hollandaise Sauce Served with Home Style Potatoes 995 Huevos Rancheros Two Eggs Over Easy on Corn To Chapter 6. Neornithes. Modern bird lineage. Approx 10,000 species. Originated 90-100 . Mya. in Cretaceous. Evolutionary History. 150 . Mya. dinosaurs & pterosaurs. 1860: single feather. 1861: skeletal remains. 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. Honey Bees. If a foraging bee finds flowers, after it has gorged on the nectar it flies back to the hive and then returns to the flowers with companions who take their fill of nectar.. Bees can not only tell their companions that nectar is available but where it is found. . 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. - Reptiles and Mammals -. Amniote. Egg. Amnionic sac – protects embryo. Allantois – disposal sac for embryonic waste, works with chorion in gas exchange. Yolk sac – storage and transfer of nutrients to developing embryo. 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. 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. . PO Box 931057 , California 90093 - 1057 Tel 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 . By: . Dr. Ammar Ismail. Introduction:. Anatomy. :( Greek word). Ana -------- a part. Tomy. ------- cut . Anatomy: . is the study of the structures of a body and relation of its parts. The subject is usually studied by dissection and observation.. Case study on external audit offices in Iraq. Fedaa Abd Almajid Sabbar Alaraji . -. Introduction . The continuity in the activity of companies in general and banks in particular has big importance for internal and external parties, represented by...