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Why is the earth divided into different biogeographical zones?​

User BlueFox
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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
User MonkeyWidget
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Answer:

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.

Step-by-step explanation:

User Corey Smith
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