Ключевые слова: allergy, background, bacterium, bad, biology, black, bread, closeup, damp, danger, dirty, disease, food, fungal, fungus, gray, green, growth, health, infection, life, macro, micro, microbe, microbiology, microorganism, microscopic, mildew, mold, mould, nutrition, old, poisonous, reproduction, research, rotten, rotting, science, scientific, selective, spoiled, spore, spread, texture, toxic, unhealthy, unhygienic, yeast, yellow,