'Contour feathers' diaporamas de présentation

Knowledge is the antidote to fear. - Ralph Waldo Emerson

Knowledge is the antidote to fear. - Ralph Waldo Emerson. Chapter 21 Birds Ms.Cox. Introduction. Birds are grouped into a class called Aves. Because they have unique adaptations for flight. It is believed that birds first evolved from the archosaur of reptiles.

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BIRD NOTES

BIRD NOTES. EXTERNAL STRUCTURE AND MOVEMENT. The covering of feathers on a bird is called the plumage . Feathers have 2 primary functions that are essential for flight . They form the flight surfaces that provide lift and aid in steering . They prevent excessive heat loss.

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Birds

Birds. Kingdom. Kingdom= Animalia Phylum= Chordate Class= Aves. Birds. Ornithology is the study of birds. Birds belong to the class Aves Birds 1 st appeared on the earth about 150 million years ago. There are about 10,000 species of birds in the world. Birds developed from reptiles.

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Chapter 19 and 20 Notes, Birds and Mammals

Chapter 19 and 20 Notes, Birds and Mammals. Characteristics of Class Aves. Forelimbs designed for flight in most birds . Epidermis is covered in feathers , except the hind legs which are covered in scales .

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Chapter 19 and 20 Notes, Birds and Mammals

Chapter 19 and 20 Notes, Birds and Mammals. Characteristics of Class Aves. Forelimbs designed for flight in most birds. Epidermis is covered in feathers , except the hind legs which are covered in scales .

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Class Aves: Feathers

Class Aves: Feathers. 25. BIRDS AND REPTILES. http://www.csicop.org/uploads/images/si/ph21.gif. 26. 27. Evolution of Birds. Fig. 2-6 in Gill 2007. Longisquama (Thecodont Reptile). Triassic. Compsognathus (Theropod Dinosaur). Jurassic. 61. ORIGIN OF FEATHERS: THEROPOD DINOSAURS.

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Class Aves: Feathers

Class Aves: Feathers. 25. BIRDS AND DINOSAURS. http://www.csicop.org/uploads/images/si/ph21.gif. 26. 27. ORIGIN OF FEATHERS: BIRDS. Archaeopteryx. ORIGIN OF FEATHERS: DINOSAURS. Caudipteryx , China, late Jurassic / early Cretaceous. Feathers. 2. WHY?. Why?. 52. Keratin.

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Red KITES

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CHORDATA (an organism who has or had a notochord at least once in their life)

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Birds

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Birds

Birds. Birds. How are Birds adapted for survival?. Characteristics:. Characteristics:. Endothermic vertebrate (warm blooded). Characteristics:. Endothermic vertebrate (warm blooded) Four chambered heart. Characteristics:. Endothermic vertebrate (warm blooded) Four chambered heart

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Chong yee ting 6s (3)

Classification: birds. Chong yee ting 6s (3). Introduction. Class:Aves Homoiotherm vertebrates There are around 10,000 living species Most birds can fly, walk and run, many can swim and dive Size of the birds can vary from the tiny flowerpeckers & hummingbirds

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Birds

Birds. Class Aves. Ornithologist. Individuals who study birds. 9,000 Birds worldwide. 50% of these birds are found In the order Passeriformes. (songbirds). Feathers. Flight Feathers. Flight Feathers. Feathers up close. Responsible for body shape and color. Down feathers.

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Birds

Birds. 3/27/07 How are birds related to mammals?. Birds. Kingdom: Animalia Phylum: Chordata Class: Aves Definition: Endothermic, feathers, 2 legs with scales, front limbs are wings Example: Parrot, blue birds, robins, cardinals, etc. Habitat: Everywhere. Physical Characteristics.

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SECTION 3

SECTION 3. Birds. Characteristics of Birds. All birds are covered in feathers and lay hard shelled eggs. They sit on these eggs to incubate them or warm them up so they will hatch. Birds has two legs, two wings, and beaks

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Birds And their characteristics

Birds And their characteristics. By Brittanie Sims. General Info. Belong to class Aves More than 8,600 species of modern birds Have feathers-lightweight, modified scale that provides insulation & enables flight Have wings Endotherms Can live in all environments

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Chapter 21-Birds

Chapter 21-Birds. Class Aves. Birds members of class Aves Major characteristics of this group: Adaptations for flight: Wings Feathers Endothermy High metabolic rate Vertebral column modified for flight Other adaptations: Horny bill Lack teeth. Class Aves.

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Bird Feathers

Bird Feathers. Flight Feathers.

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BIRDS

BIRDS. CHARASTERISTICS OF BIRDS: ENDOTHERMIC TWO WINGS, TWO LEGS BILL OR BEAK COVERED MOSTLY WITH FEATHERS LAY HARD-SHELLED EGGS & SIT ON THEM TO KEEP THEM WARM UNTIL THEY HATCH. ADAPTATIONS FOR FLIGHT:. LIGHT, YET STRONG SKELETONS THE INSIDE OF ITS BONES IS ALMOST HOLLOW

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CLASS AVES VOCAB

CLASS AVES VOCAB . Furcula -fused pair of collarbones aka the wishbone; plays important role in flight by helping stabilize the shoulder joint 2. Feathers -modified scales with 2 fx : provides lift for flight & conserves body heat

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