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. At MTG, it's our goal to make self-catheterization of the bladder possible for anyone regardless of gender, disease, or disability. 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. WEBQUEST10. th. grade. Index. Background Information. Introduction. Task. Resources. Time. Process. Conclusion. Rubric. Games. Q. What do dinosaurs have that no other reptiles have?. Background Information. . 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. . Evolution of birds . Kingdom . Animalia. , Phylum . Chordata. , Class Aves. Where did they come from?. From the Mesozoic Era, a debate of how they originated. . Two Hypotheses exist:. . Thecodont. . (frog). Neurulation animation. (human). Phylum . Chordata. Subphylum . Urochordata. (. Tunicata. ). Subphylum . Cephalochordata. “. Craniata. ” group. Subphylum Vertebrata. Superclass . Agnatha. Scientists use morphological evidence & blood proteins, chromosomes & DNA to classify birds . beaks, feet, plumage(feathers), bone structure & musculature are examples of morphological evidence . 1. Make sure frog is right side up so that you can see the face. 2 2. Identify the eyes, which have a nictitating membrane that serves to moisten the eye. 3. Identify the tympanic membrane, or eardrum. It is located behind each eye. (Look at Figure 1) 4. Find the external nares or nostrils. (Look at Figure 1) 5. Find the digits, which are like fingers on both the fore and hind limbs (Figure 2) . . &. 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. Native Hawaiian Birds Project 1 By Jordan and Kako http://www.bird- friends.com/pics/ papane Purpose of Our Experiment Anatomy. Hemorrhoids are not varicose veins. . everyone has anal cushions. The anal cushions are composed of blood vessels, smooth muscle (. Treitz’s. muscle), and elastic connective tissue in the submucosa. 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..