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INTRODUCTION• Mammals are vertebrates because they havea backbone. They are warm blooded animals.They born alive. There are 4,000 differentspecies of mammals. The smallest one is thehog nosed bat and the largest is the bluewhale. Some mammals have a tail.
WHAT TYPE OF BODY COVERINGDO THEY HAVE?They have hair or fur.
ARE THEY OVIPAROUS OVIVIPAROUS ?• They are viviparous because they are bornalive. They produce milk to feed their babiesthrough the mammary glands. This allowsthem to spend more time with their youngand teach them important skills that theyneed to survive on their own.
HOW DO THEY BREATHE?They have lungs to breathe. They get oxygenfrom air.
WHERE DO THEY LIVE ?• They live on land or in water. The polar bearslive at the North Pole and the penguins on theSouth Pole. They live there because they needcold environments to survive.
HOW DO THEY MOVE ?• They walk, run, jump and swim.
HOW MANY LEGS DO THEYHAVE ?The majority of mammals have 2 or 4 legs.Aquatic mammals don’t have legs.
WHAT IS THE FUNCTION OF THETAIL ?The aquatic mammals use their tail tomove. The terrestrial animals use their tailto maintain the balance.
WHAT KIND OF FOOD DO THEYEAT ?The terrestrial mammals are herbivorousand carnivorous. The aquatic mammals arecarnivorous.
Thanks for your attentionBy Víctor Úbeda, HéctorDíaz and Miquel Rojo.Year 5Escola Els Pins2012-2013