https://www.google.com/search?q=Did+you+know%3A%C2%A0Shortest+Lifespan+%E2%80%93+Mayflies%3A+Mayflies+hold+the+record+for+the+shortest+adult+lifespan+among+animals.+Some+species+live+as+adults+for+just+a+few+hours%E2%80%94sometimes+less+than+a+day%E2%80%94after+spending+months+or+even+a+year+as+aquatic+nymphs.+Their+sole+purpose+as+adults+is+to+reproduce%2C+and+they+don%E2%80%99t+even+have+functional+mouths+to+eat.&client=ms-opera-mini-android&channel=new
AI: "Mayflies are known for having the shortest adult lifespan of any animal, living only a few hours, sometimes less than a day, after spending months or even a year as aquatic nymphs, with their sole purpose as adults being reproduction, and they lack functional mouths to eat. .."