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    • 1. 
    Vertebrate animals
    A.
    have a skeleton made up of bones.
    B.
    do not have a skeleton.
    C.
    do not have a sekeleton when they are born, but they have one later.
    2. 
    Mammals are
    A.
    oviparous.
    B.
    viviparous.
    C.
    amphibians.
    3. 
    Whales have
    A.
    scales.
    B.
    hair.
    C.
    bare skin.
    4. 
    Humans are
    A.
    invertebrates.
    B.
    primates.
    C.
    marine mammals.
    5. 
    Chimpanzees and gorillas
    A.
    have small brains.
    B.
    use their hands to grip objects.
    C.
    stay in their mother's pouch for some time.
    6. 
    Birds breathe through
    A.
    lungs.
    B.
    gills and lungs.
    C.
    gills.
    7. 
    Birds and reptiles are
    A.
    oviparous.
    B.
    viviparous.
    C.
    invertebrates.
    8. 
    Animals which breathe through lungs and have scales are
    A.
    amphibians.
    B.
    fish.
    C.
    reptiles.
    9. 
    Amphibians
    A.
    have bare skin.
    B.
    do not have skin.
    C.
    have scales.
    10. 
    _____________ breathe through gills when they are born and through lungs when they grow.
    A.
    Fish
    B.
    Reptiles
    C.
    Amphibians