Question

Why is the earth divided into different biogeographical zones?​

Answer 1

I think is cause of the tectonic plates because they form mountains rivers etc. and the 7 continents were together at some point but the tectonic plates divided

Answer 2

The patterns of distribution of living organisms in the world's biogeographic realms were shaped by the process of plate tectonics, which has redistributed the world's land masses over geological history.

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