Related by context. Frequent words. (Click for all words.) 62 biomes 57 tropical rainforest 57 savanna 55 species 55 habitats 55 biodiversity hotspots 54 ecosystems 54 savannahs 53 rainforest 53 drylands 53 tropical forest 53 biosphere 53 biodiversity 53 biodiverse 52 habitat 52 semi arid 52 flora 52 savannah 51 tropical rainforests 51 tropical forests 50 taxa 50 biosphere reserve 50 amphibian species 50 fynbos 50 grasslands 50 savannas 50 boreal forests 49 wildernesses 49 ecologies 49 semiarid 49 microclimates 49 arid regions 49 coral species 48 boreal 48 aridity 48 bio diversity 48 ecology 48 mammal species 48 megafauna 48 ant species 48 grassland 47 flora fauna 47 forest ecosystems 47 fauna 47 rainforests 47 microclimate 46 sedges 46 monocultures 46 Amazonia 46 Biosphere Reserve 46 bird species 46 vertebrate species 46 Habitats 46 biodiversity conservation 46 temperate zones 46 landmass 45 landmasses 45 arthropod 45 Pantanal 45 Kalahari Desert 45 biota 45 Pleistocene 45 arid desert 45 woodlands 45 soils 45 speciation 45 glaciation 45 climatic conditions 45 lowland 45 arthropods 45 forests 45 Biodiversity 44 landscapes 44 Galápagos 44 wetland habitats 44 nesting habitat 44 landforms 44 biologically diverse 44 subtropical 44 Biodiversity Conservation 44 Ecosystems 44 ecosystem 44 tropics 44 mountain glaciers 44 ungulates 44 temperate regions 44 flowering plants 44 glaciers 44 insect populations 44 ecological 44 irrigated agriculture 43 herbivores 43 species extinctions 43 amphibians 43 Protected Areas 43 arid 43 monarch butterfly 43 vegetation 43 primate species 43 shrubby 43 lowlands