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In the Amazon, the alignment of a fertile ecosystem and isolation from other ecologies during early geological epochs has given rise to a great diversity of species, which, in many genuses, outnumber those in other regions on Earth by 100 to 1.

  • A

    isolation from other ecologies during early geological epochs has given rise to a great diversity of species, which, in many genuses, outnumber

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  • B

    isolation from other ecologies during early geological epochs has given rise to a great diversity of species, which, in many genuses, outnumbered

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  • C

    of isolation from other ecologies during early geological epochs have given rise to a great diversity of species that, in many genuses, outnumbered

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  • D

    of both isolation from other ecologies during early geological epochs have given rise to a great diversity of species that, in many genuses, outnumber

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  • E

    of isolation from other ecologies during early geological epochs has given rise to a great diversity of species that has, in many genuses, been outnumbering

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正确答案: A

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