'Down feathers' presentation slideshows

Birds

Birds. Ornithology is the study of birds. In a clade with dinosaurs!!. Taxonomy Kingdom Animalia Phylum Chordata Subphylum Vertebrata Class Aves. General Characteristics. Birds! Endotherms **Warm blooded (endothermic ) Metabolically regulate body temp Horny bill

839 views • 21 slides

6 . From Meso- to Cenozoic

6 . From Meso- to Cenozoic. Triassic 250-205 Pangaea. Jurassic 205-140 Laurasia and Gondwana. Cretaceous 140-65 Formation of present day continents. Hot and dry Polar regions moist and temperate . Warm and dry No ice caps at poles.

365 views • 16 slides

Different kinds of development by vertebrates after birth

182 views • 10 slides

Bird Feathers

Bird Feathers. Flight Feathers.

510 views • 6 slides