Ключевые слова: agriculture, anatomy, animal, background, brown, carcass, clay, closeup, coil, copyspace, crawling, creep, cycle, cylindrical, dig, dirt, drill, earth, earthworm, education, evolution, farm, fertile, fertilesoil, flashlight, foodchain, foodcycle, foodweb, freshwateralgae, garden, ground, group, highresolution, humus, invertebrate, land, learning, macro, mold, natural, nature, nightcrawler, organic, plant, realm, slimy, soil, wildlife, worm,