unit 4 (animals)

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Page 1: Unit 4 (animals)
Page 2: Unit 4 (animals)

VERTEBRATES INVERTEBRATES(have backbones) (don’t have backbones)

Page 3: Unit 4 (animals)

Animals look different

centipede

snake

0 legs 2 legs

4 legs many legs

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The body can be…

scales

skin

a shell

feathershair

cat

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Animals can be wild or domestic

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Where do animals live?

bird

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Animals can…

• Walk

• Fly

• Swim

• Jump

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What do different animals eat?

Zebras are HERBIVORES because theyonly eat PLANTS. Also cows, sheeps, horses or elephants are hervibores.

Lions are CARNIVORES because they only eat OTHER ANIMALS. Also dogs, tigers, foxes or wolves are carnivores.

Chimpanzees are OMNIVORES because they eat PLANTS AND OTHER ANIMALS. Also pigs, bears or mice are omnivores.

Page 9: Unit 4 (animals)

How are different animals born?

VIVIPAROUS OVIPAROUS

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Vertebrates

Animals with a backbone.

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Mammals

• Give birth to live young. They are viviparous.

• Feed their babies with their own milk.

• Are covered with hair.

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Birds

• Have feathers.• Lay eggs. They are

oviparous.

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Reptiles

• Lay eggs. They are oviparous.

• Have a skin covered with scales.

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Amphibians

• Lay eggs. They are oviparous.

• Have a smooth, moist skin.

• Are able to live on land as well as in the water.

Page 15: Unit 4 (animals)

Fish

• Lay eggs (but some do give birth to live young). They are oviparous.

• Have a skin covered in scales.

• Breathe through gills.

Page 16: Unit 4 (animals)

Summary: classification according to…

• Backbone: vertebrates or invertebrates.

• How they look: different legs and body (shell, hair, feathers, skin…)

• How they related to people: Wild or domestic.

• Where they live: land, air or water

• How they move: walk, fly, swim or jump.

• What they eat: herbivores, carnivores or omnivores.

• How they are born: viviparous or oviparous.