Ключевые слова: adult, age, aging, analysisagement, animal, baby, biology, body, caterpillar, change, character, child, childhood, circle, collection, cycle, development, ecology, environment, evolution, generation, germination, grow, growing, growth, huanalysis, infant, insect, kid, life, maturity, metamorphosis, method, nature, newborn, old, process, progress, pupa, science, showing, stage, teenager, transform, young,