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Question : Amazon rain forest has the greatest biodiversityon earth. Listany two hypothese that are proposed by the biologists to accountfor thegreater biological diversity .

Answer»

Solution :The hypothese are :
(a) Speciationis generally regions , whichare subjected to frequent glaciations in the past , tropical LATITUDES have remainedundisturbed for millions of YEARS and hencehad a long TIME for species DIVERSIFICATION .
(b) Tropical environmentsare less seasonal , relatively more constantand predictable ,such constantenvironments promote NICHE specialisation and lead to a greater species diverstiy .
(c)There is moresolarenergyavailablein the tropics , whichcontributes to higherproductivity , thisin turn mightcontribute indirectly to species diversity .


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