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Natural Science Unit 3

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    Mammals and Birds
  •   Study   Slideshow
  • True or false: a dog is a mammal.
    True
  •  5
  • Which of these is a wild animal? a pig, a dog, a fox, a sheep
    a fox
  •  5
  • True or false: mammals and birds are invertebrates.
    False! They are vertebrates.
  •  5
  • Crabs and clams are invertebrates, but what do some of them have to protect their bodies?
    a shell
  •  10
  • What do vertebrates have that invertebrates do not?
    a skeleton and a backbone
  •  10
  • True or false: all mammals are vertebrates.
    True!
  •  5
  • Name an aquatic mammal.
    dolphin, whale or seal
  •  5
  • Name a domestic animal that is a carnivore.
    dog or cat
  •  5
  • Are mammals viviparous or oviparous?
    Viviparous
  •  5
  • What are mammals' bodies covered with?
    hair or fur
  •  5
  • True or false: a bear is a wild mammal and it is an omnivore.
    True
  •  5
  • What do mammals use to breathe?
    Mammals use lungs to breathe.
  •  5
  • True or false: viviparous animals are born alive.
    True
  •  5
  • True or false: herbivores eat other animals.
    False! They eat plants.
  •  5
  • What do birds have all over their bodies?
    Feathers.
  •  5
  • What is a bird's mouth called?
    a beak
  •  5