[Solved] Organisms in natural environments can be detected by assaying for the presence of their genes. Pornography: Visual or written content that is designed to stimulate erotic feelings rather than emotional or intellectual responses. Sacred: Related to religious or spiritual significance; objects, places, or concepts regarded with great respect or reverence. Contamination: The presence of unwelcome substances or pollutants in something that makes it impure or unsafe, often associated with environments, food, and water. Elvis Presley: Elvis Presley was an iconic American singer, musician, and actor, often referred to as the "King of Rock and Roll" for his influential role in the development of rock music.