1. Their bodies are divided into parts: head , trunk and extremities
their nervous system and sense organs are very well-developed
fish
amphibians
reptiles
birds
mammals

2. oviparous
are carnivorous, herbivorous or
omnivorous
bony fish , like salmon or tuna, have got a
skeleton that is made of rigid bone
Cartilaginous fish, like sharks and rays,
have got a skeleton that is made of flexible
cartilage.
They breathe through gills

3. Smooth skin
Cutaneous respiration
Oviparous
Carnivores
Are two tipes:
Frogs and toads: salamanders and newts:

4. Have hard scales
Have lungs
Are oviparous
Many are carnivorous and others are herbivorous or
omnivorous.
They are 4 groups:
Lizards, snakes, turtles and crocodiles.

5. Have feathers
4 extremities: 2 legs and 2 wings.
Have lungs
Are oviparous
Most of them are herbivorous, granivorous,
insectivorous .Others are carnivores or
omnivorous.

6. Have hair on their body called fur.
Have lungs
Female mammals have mammary glands
There are oviparous
Most are carnivorous, others are herbivore, others are
insectivorous, others are omnivore.
Three groups: monotreme, marsupials and placental
mammals.

7. By : Carmen Albasini Cantero,
María Martínez García De Los Ríos Recio
y Gimena Parrilla Tomás.