The document discusses the five main groups of vertebrates: mammals, birds, fish, reptiles, and amphibians. Each group shares certain key characteristics - mammals have hair and breathe through lungs, birds have feathers and also breathe through lungs, fish have scales and breathe through gills, reptiles and amphibians lay eggs but reptiles breathe through lungs and have scales while amphibians have nude skin and can live on land and in water. Examples are provided for common animals in each group.

1. Natural Science
3rd of Primary
VERTEBRATES
ANIMALS

2. VERTEBRATES
 Vertebrates animals have skeleton
 There are 5 groups of vertebrates
MAMMALS
BIRDS
FISH
REPTILES
AMPHIBIAN

3. MAMMALS
 Mammals have HAIR in the body
 Mammals breath by LUNGS
 Mammals are VIVIPAROUS
 Mammals have HEAD, TRUNK and
EXTREMITIES
 The extremities can be:
 LEGS – horse, cat, elephant, giraffe
 WINGS – bat
 FINS – dolphin
 They can move in the LAND, AIR, WATER

4. BIRDS
 Birds have FEATHERS in the body
 Birds breath by LUNGS
 Birds are OVIPAROUS
 Birds have 2 LEGS and 2 WINGS
 They can move in the AIR
 Examples: canary, ostrich, eagle, parrot

5. FISH
 Fish have SCALES in the body
 Fish breath by GILLS
 Fish are OVIPAROUS
 Fish have FINS
 Fish move in the water
 Examples: shark, sardine, salmon

6. REPTILES
 Reptiles have SCALES in the body
 Reptiles breath by LUNGS
 Reptiles are OVIPAROUS
 Reptiles have 4 LEGS
 Reptiles move in the LAND
 Examples: snake, crocodile, turtle

7. AMPHIBIAN
 Amphibian have NUDE SKIN
 Amphibian breath by LUNGS
 Amphibian are OVIPAROUS
 Amphibian have 4 LEGS
 Amphibian move in the WATER and in the LAND
 Examples: frog, toad, salamander