An animal keeper is studying x-rays of two animals, as shown. x-rays show the internal structures of an animal.
which statement is best supported by the x-rays?
animal y has an outer skeleton, and animal z has a spiny covering.
animal y has a spiny covering, and animal z has an outer skeleton.
animal y is a vertebrate, and animal z is an invertebrate.
animal y is an invertebrate, and animal z is a vertebrate.
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An animal keeper is studying x-rays of two animals, as shown. x-rays show the internal structures of...
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