6º Summary for birds, mammals and reptiles

                                                                Friday 27th October 2017
REPTILES

• They are oviparous.
• They breathe with lungs.
• They have got tail (except snakes) and 4 legs with toes and claws.
• Their legs are on the sides of the trunk.
• They´ve got a thick and scaly skin.
• Some examples: snake, crocodile, lizards and turtles.

BIRDS

• They have got wings and hollow bones.
• They have got small heads and good sight.
• They haven´t got teeth but they have got beak.
• Their bodies are covered by feathers.

MAMMALS

• Many mammals have got tail, four extremities and their bodies are covered by fur (dogs, horses, cats, lions...).
• Some of them, have got fins (dolphin) or wings (bats).
• They breathe with lungs.
• Most of them are viviparous.

ACTIVITIES:

1. Reptiles are oviparous. What does this mean?
2. Which is the odd one?
           tail             lungs              exoskeleton
           claws         eggs               vertebrate



3. Write three characteristics of birds.
4. Name 5 mammals.