biogeographical region


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Fig. 66 Biogeographical region. The faunal regions of the world: 1a, Palaearctic; 1b, Nearctic; 2a, Ethiopian; 2b, Madagascan; 3, Oriental; 4, Neotropical; 5, Notogaea; 6,Wallacea.

biogeographical region

the regions of the earth's surface which contain distinctive groups of animals and plants that are normally prevented from moving out of those regions by various natural barriers.