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Alec Demitrus + Owen Smith. Avian Reptiles. Major Classes + Examples. All modern birds lie in the subclass Neornithes ( Palaeognathae ) ( Neognathae ). Habitat + Number of Species. 10,000 species All around the world . Features and Anatomy. 4 Chambered Heart
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Alec Demitrus + Owen Smith Avian Reptiles
Major Classes + Examples All modern birds lie in the subclass Neornithes (Palaeognathae) (Neognathae)
Habitat + Number of Species • 10,000 species • All around the world
Features and Anatomy 4 Chambered Heart High Metabolic Rate No Urinary Bladder No Teeth Small Gonads Tubes in Lungs Have Air Sac, Bone Air Cavities Light Skeleton Endothermic
Symmetry and Skeleton Bilateral Light Skeleton
Characteristics and Interesting Facts • Use horizontal nicitating membrane instead of eyes when blinking • Sex of birds determined by Z and W chromosomes, not X and Y • Mutual relationship with humans
Article: Large Fossil found in Chile sets Wingspan Record • 5.2m (17ft)
Bibliography • Campbell, Neil. Biology, 8th edition. AP Edition ed. San Francisco: Pearson, 2008. Print. • bird skeleton - Google Search. (n.d.). Google. Retrieved February 16, 2011, from http://www.google.com/images?um=1&hl=en&safe=active&biw= • Bird - Wikipedia, the free encyclopedia. (n.d.).Wikipedia, the free encyclopedia. Retrieved February 16, 2011, from http://en.wikipedia.org/wiki/Bird • birds internal anatomy - Google Search. (n.d.). Google. Retrieved February 16, 2011, from http://www.google.com/images?um=1&hl=en&safe=active&biw=1024&bih=677&tbs=isch:1&sa=1&q=birds+internal+anatomy&aq=f&aqi=g1g-m1&aql=&oq= • Fossil of giant bony-toothed bird from chile sets wingspan record. (n.d.). Science Daily: News & Articles in Science, Health, Environment & Technology. Retrieved February 16, 2011, from http://www.sciencedaily.com/rel