Ключевые слова: animal, background, bio, biodiversity, biological, biology, butterfly, care, change, clean, climate, concept, conservation, day, deer, diversity, earth, eco, ecological, ecology, ecosystem, elephant, endangered species, environment, environmental, friendly, global, green, hand, happy, holding, human, humanity, life, living, nature, parrot, peace, planet, protect, protection, safe, save, sustainable, tiger, tree, wild animals, wildlife, world, zoo,