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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