Related by context. Frequent words. (Click for all words.) 53 arid regions 52 temperate forests 51 arid 50 temperate zones 48 arid desert 47 subtropical climate 47 desert dunes 47 tropical climates 46 aridity 46 subtropics 46 sparsely inhabited 46 semi arid regions 46 population densities 46 subtropical regions 45 temperate 45 grassy plains 45 subtropical 44 equatorial 44 semi arid 44 latitudes 44 drylands 44 temperate regions 43 Mediterranean basin 43 fecund 43 humid tropical 43 tropical jungles 43 lush valleys 43 Earthlike 43 semiarid 43 savannahs 42 freshwater ponds 42 temperate climate 42 biodiverse 42 vast expanses 42 equatorial regions 42 microclimates 42 lush vegetation 42 unseeable 42 microclimate 42 parching 42 temperate climates 42 Namib Desert 42 upwellings 42 desert 42 climates 41 insolation 41 rapidly urbanizing 41 arid lands 41 micro climates 41 harsh climates 41 warm climates 41 unspoiled beaches 41 barren desert 41 irrigated crops 41 storminess 41 lusher 41 fertile soils 41 climatic conditions 41 equator 41 Migrating birds 41 climatically 41 vast expanse 41 periodic droughts 41 tidal pools 41 arid mountains 41 abundant sunshine 41 Saharan desert 41 seismically active regions 41 lush jungle 40 biome 40 deserts 40 sandy 40 equatorial Pacific Ocean 40 inhospitable 40 river deltas 40 regions bordering 40 warmer drier 40 landmass 40 topographies 40 flatlands 40 coastland 40 tropic 40 biodiversity hotspot 40 warmer wetter 40 tropical 40 wadis 40 glaciers melt 40 tropics 40 climes 40 lowland forests 40 fertile valleys 39 savannah 39 evergreen forests 39 volcanic peaks 39 plankton blooms 39 topographically 39 fertile 39 Anopheles 39 pasturelands 39 barren hills 39 deciduous forests