1.

Amazon rain forest has the greatest biodiversity on earth. List any two hypothesis that are proposed by the biologists to account for the greater biological diversity.

Answer»

In tropics:-

No Catastrophes – In tropics, there has been no catastrophes but is temperate areas glaciations and other catastrophes have caused large scale of destruction.

Non-seasonal Environment –

In tropics, seasons are nearly uniform. It promotes rich and increases species diversity.

Solar Energy – 

Tropics get lots of sunlight which enhances productivity.



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