Characteristics of vertebrates

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Subject Biology
Characteristics of vertebrates
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Authors list

• Chui Pui Wah Art and design
• Lam Hoi Yan Idea and outline
• Lau Chun Man Integration and package
• Tsang Wing Kee Final editing and formatting
• Ip Chi Ming Presentation and collection of
  resources

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Introduction

• Target audience Secondary level students
• Nature Lecture

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Classification of vertebrates
Vertebrates
Amphibians
Reptiles
Birds
Mammals
Fish
Next
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Fish (Live in water)

• Lay eggs in water
• Cold - blooded

Fin

Streamlined body
Gill
!
Slimy scales
More...
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Amphibians
(Live both on land and in water)
Wet, slimy skins and no scales
Breathe with lung

• Lay eggs in water

• Cold - blooded

Four limbs
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Reptiles
Breathe with lung

• Lay eggs on land
• Cold - blooded

Hard dry scales
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Birds
Breathe with lung
Beak

• Lay eggs on land
• Warm - blooded

Wings
Feathers
!
More...
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Mammals
Hair
Breathe with lung

• Embryo is developed
• inside mothers body
• ( viviparous)

• Warm - blooded

Mammary glands
!
Back
More...
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Use of Dichotomous Key
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Dichotomous Key ------
provides a way to identify organisms by
choosing between two alternative features at each
stage of the key.
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(No Transcript)
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Animals in Zoo
BAT
DUCK
TOAD
TURTLE
SHARK
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The 5 animals in zoo will be classified into
different groups according to the follow
characteristics Wings, feathers, scales and fins
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Bat, duck, toad, turtle shark
With wings
Without wings
With feathers
Without feather
With scale
Without scale
Amphibians
Birds
Mammals
With fins
Without fin
fish
reptiles
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Bat, duck, toad, turtle shark
With wings
Without wings
Without scale
With feathers
Without feather
With scale
Amphibians
Birds
Mammals
With fins
Without fin
fish
reptiles
Back
End
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Bat, duck, toad, turtle shark
With wings
Without wings
With feathers
Without feather
With scale
Without scale
Amphibians
Birds
Mammals
With fins
Without fin
fish
reptiles
Back
End
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Bat, duck, toad, turtle shark
With wings
Without wings
With feathers
Without feather
With scale
Without scale
Amphibians
Birds
Mammals
With fins
Without fin
fish
reptiles
Back
End
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Bat, duck, toad, turtle shark
With wings
Without wings
With feathers
Without feather
With scale
Without scale
Amphibians
Birds
Mammals
With fins
Without fin
fish
reptiles
Back
End
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End
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Thank you !
- The End -
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Appendix 1
Which group do the sea horses belong to?
Back
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Appendix 2
Which group do they belong to?
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Appendix 3
Which group do they belong to?
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