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Upper Elementary Science - I
2.29 Classifying Vertebrates
: Vertebrates are divided into _______ classes.
: Which two vertebrates are warm blooded _________.
birds and fish
amphibian and reptiles
mammals and birds
: Humans are ____________.
: Fish, amphibians, and reptiles are all ________ blooded.
: A vertebrate is an animal with _______.
no back bone
a back bone
: A penguin is a ___________.
: Mammals have fur or _____________.
: Which vertebrates have well developed brains?
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