Coelacanths and lungfish are collectively known as the lobe-finned fishes, and have fins containing similar arrangements of bones to those seen in tetrapod limbs. Which of the following statements about this relationship is TRUE?
O Because the fins of the lobe-finned fishes and the limbs of tetrapods are used for different purposes, they can not be homologous.
O Coelacanths and lungfish are considered to be the first tetrapods.
O This relationship is an example of a morphological similarity reflecting a likely evolutionary link.
O Despite the similar morphology of lobe fins and tetrapod limbs, genetic evidence suggests that coelacanths and lungfish are only distantly related to the tetrapods.
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