A Survey of Living Vertebrates

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A Survey of Living Vertebrates
20-2
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What is it? (side four - chapter 10)

• Manta ray - cartilaginous fish
• Puffer fish - bony fish
• Snapping turtle - reptile
• Crocodile - reptile
• Sand lizard - reptile
• Flamingo
• Swan - feeding
• etc.

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Can you..

• Describe the characteristics of living
  vertebrates?
• Describe the amniotic egg?

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Textbook page 475

• What are the key points that each section
  contains?

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Classification of Vertebrates

• All vertebrates have a backbone.
• Most also have
• two sets of appendages
• closed circulatory system
• ventral heart
• gills or lungs

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Jawless Fish

• Only living vertebrates without jaws
• Lamprey
• Hagfish (page 471)

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Cartilaginous Fish

• Sharks, skates, rays
• Chondricthyes
• Fearsome predators
• Few attack humans

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Bony fish

• enormous and diverse class
• Ostrichthyes
• ray-finned fish
• lobe-finned fish - evolved to tetrapods

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Amphibians

• few species
• few survived Permian extinction
• lay eggs in water
• larva have gills
• adults have lungs
• moist skin as respiratory surface

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• Attracting a mate

• Mating behavior

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• Varnished to save water

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Reptiles

• Internal fertilization
• Fully terrestrial - first
• Amniotic egg
• Three orders Turtles and tortoises crocodiles
  and alligators lizards and snakes

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Birds

• Class Aves
• Feathers
• Amniotic egg
• 27 different orders

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Mammals

• All have mammary glands
• Monotremes leathery-shelled eggs
• Marsupials pouched
• Placental mammals

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• Placental mammal

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Xerox 20-2

• 13 two sets
• 14 gills, lungs
• 15 T
• 16 cartilage
• 17 T
• 18 lungs
• 19 T
• 20 T
• 21 lizards, snakes
• 22 body heat
• 23 T
• 24 marsupials

• 1 g
• 2 h
• 3 f
• 4 d
• 5 b
• 6 a
• 7 c
• 8 e
• 9 i
• 10 f
• 11 i
• 12 d

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Xerox page two

• 13 two
• 14 gills or lungs
• 15 T
• 16 cartiledge
• 17 T
• 18 T
• 19 T
• 20 T
• 21 lizard, snakes
• 22 body heat
• 23 T
• 24 marsupials