Ключевые слова: animals, atmosphere, background, biocenosis, biodiversity, biosphere, biotech, black, climate, collection, concept, contour, cycle, earth, eco, ecology, ecosystem, ecotope, edaphotop, environment, environmental, global, graphic, hydrosphere, icons, illustrations, isolated, items, leaf, life, linear, lined, lithosphere, monochrome, nature, ocean, pack, pictograms, planet, plant, protection, rain, sea, set, signs, sphere, symbol, trees, weather,