living nature protection 5 [vynechat] ochrana živej prírody 5 [vynechat] living nature 4 [vynechat] živá príroda 4 [vynechat] living organisms 3 [vynechat] živé organizmy 3 [vynechat] evolution (biology) 2 [vynechat] evolúcia (biológia) 2 [vynechat] Earth 1 [vynechat] Zem 1 [vynechat] adaptation (biology) 1 [vynechat] adaptácia (biológia) 1 [vynechat] animal communication 1 [vynechat] birds 1 [vynechat] bunková komunikácia 1 [vynechat] cell communication 1 [vynechat] dejiny ochrany prírody 1 [vynechat] ecology 1 [vynechat] ekológia 1 [vynechat] endangered species 1 [vynechat] environment 1 [vynechat] environmental protection 1 [vynechat] ethology 1 [vynechat] etológia 1 [vynechat] fauna 1 [vynechat] flora 1 [vynechat] flóra 1 [vynechat] grassland ecosystems 1 [vynechat] grassland plants 1 [vynechat] history of nature conservation 1 [vynechat]