Classification

1. YEAR 4

2. We can classify animals in four ways:
- According to the backbone.
- Vertebrates / Invertebrates.
• According to the way they are born.
– Viviparous / Oviparous.
• According to what they eat.
– Herbivores / Carnivores / Omnivores.
• According to the way they move.
– Walking / Crawling / Swimming / Flying
animals.

3. But even within the same category, there
is a wide variety.
• They are all vertebrates!
PELICAN HORSE
FISH
CHAMELEON

4. • There are things vertebrates have in
common:
TAIL
HEAD
TRUNK
FOX
TURTLE

5. • There are five main groups of vertebrates:
• Mammals, birds, fish, reptiles and
amphibians.
BULL
TUNA
SNAKE
CHICKEN
SALAMANDER

6. • Mammals are vertebrates and viviparous.
• Most of them have hair in their bodies.
• Most of them walk – others can swim, too,
and bats can fly.
• They are warm-blooded.
BAT GOAT

7. DOLPHIN
WHALE
SQUIRREL
CHIMPANZEE GAZELLE

8. • Birds are vertebrates and oviparous.
• They have two legs, and two wings with
feathers.
• They usually fly and walk; some of them
swim.
• They are
• warm-blooded.
SPARROW
DOVE

9. CROW
EAGLE
PENGUIN
OSTRICH

10. • Fish are vertebrates and oviparous.
• They have scales and fins.
• All of them swim.
• They are cold-blooded.
SHARK
CLOWN
FISH

11. SARDINE
TROUT
SALMON
SEAHORSE CATFISH

12. • Reptiles are vertebrate and mostly
oviparous.
• They have scales, and four or no legs.
• They can walk or crawl. Turtles swim.
• They are cold-blooded.
GECKO
IGUANA

13. FRILLED
LIZARD
COBRA
PYTHON

14. • Amphibians are vertebrate and oviparous.
• They have smooth skin, and four or no
legs.
• They walk and swim.
• They are cold-blooded.
NEWT
TOAD

15. AXOLOTL
SIREN
FROG