The great american biotic interchange establish the fauna that exist in both north and south america today. which of the following occurred during this event?
a. the first humans dispersed from north to south america
b. many species that moved from north to south amenica were very successful and stif exist today
c .only small mammals moved from south america to north america
d. many species that moved into north amenca from south america outcompeted the endemic taxa and still exist today
e. all of the above occurred during the great american biotic interchange

The correct answer is option d. "Many species that moved into North America from South America outcompeted the endemic taxa and still exist today".

Explanation:

The Great American Biotic Interchange (GABI) was an historical period at which numerous species from South America migrated to North America, and numerous species from North America migrated to South America because of the formation of the Isthmus of Panama. During this event, many species that moved into North America from South America outcompeted the endemic taxa and still exist today. The species that successfully immigrated to South America and exist today were mostly small mammals, such as armadillos and opossums.

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explanation:

answer: 4

explanation: 8