AP EAMCET Medical 2017 Shift 2 Paper
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Question : 49 of 160
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Study the following combinations regarding the origin and ancestry of different vertebrate groups.
Identify the incorrect combinations of the above
| Group | Ancestor | Origin period |
|---|---|---|
| I)Aves | Theropod dinosaurs | Cretaceous |
| II)Mammalia | Tlieropsid reptiles | Triassic |
| III)Pisces | Placodemis | Silurian |
| IV)Amphibia | Osteolepids | Devonian |
Identify the incorrect combinations of the above
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