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Animal Classification

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Animal Classification Before Chapter 1 Animals are divided into two groups. Vertebrates Invertebrates Vertebrates are animals with a backbone. Invertebrates are ... – PowerPoint PPT presentation

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Title: Animal Classification


1
Animal Classification
  • Before Chapter 1

2
Animals are divided into two groups.
  1. Vertebrates
  2. Invertebrates

Invertebrates are animals without a back bone.
Vertebrates are animals with a backbone.
3
Vertebrates Are Divided Into 5 Different Classes
  • Mammals
  • Fish
  • Amphibians
  • Reptiles
  • Birds

4
Mammals
  • They make milk for their babies and take good
    care of their young.
  • They have at least some hair.
  • No mammal has more than four limbs.
  • All mammals are warmblooded.
  • All mammals have lungs and breathe air.

5
Fish
  • All fish have gills.
  • All fish have fins.
  • Fish are coldblooded.

6
Amphibians
  • All amphibians breathe with gills in water when
    they are born, and some breathe with lungs on
    land later.
  • All amphibians have smooth, moist skin.
  • All amphibians lay eggs.
  • All amphibians are coldblooded.

7
Reptiles
  • All reptiles breathe with lungs.
  • All reptiles are covered with dry scales.
  • All reptiles are coldblooded.

8
Birds
  • All birds have feathers.
  • All birds have wings.
  • All birds have two legs.
  • All birds breathe with lungs.
  • All birds have bills or beaks.

9
INVERTEBRATES
10
Invertebrates
  • Have no backbone.
  • Usually have weak muscles.
  • Usually are small animals with soft bodies.
  • If they do have skeletons, the skeletons are on
    the outside of their bodies for strength and
    protection.
  • Are coldblooded.
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