QUESTION 27 The Permian mess extinction which marks the beginning of the Mesozoi

Question

QUESTION 27 The Permian mess extinction which marks the beginning of the Mesozoic Era 251 million years ago was likely caused by a meteor impact with the Earth. is associated with a global warming event. is associated with the formation of Pangea. was followed by the diversification of mammals. took place 65 meat years ago QUESTION 28 Some fish have bony fins. If the body of water they live in dries out, these fins can be used to help the fish walk to another body of water. In this context, bony fins are the an example of a homologous trait an exaptation an analogous trait a fetal feature a mutation

Explanation / Answer

The Permian mass extinction event.................Associated with the global warming effect

Fish fins are.........................analogus structures

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