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Macintosh Picture Format  |  1996-09-10  |  183KB  |  640x310  |  8-bit (229 colors)
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OCR: Tree Fishes This long case which runs the length of the wall arranges fishes according to such shared characteristics The rays for example all have flattened bodies enlarged pectoral fins, eves on top of their heads and gill openings on the lower sides of their heads These features are believed to have been inherited from common ancestor They therefore indicate that rays are more closelv related each other than any other living things While flounders also have flat bodies and eyes on top their heads, they op not have enlarged pectoral fins or gill openings on the closely