Which of the following phyla have nephridia as an excretory structure?AArthropodsBAnnelidsCPlatyhelminthesDCtenophoraAnswer: B. Annelids Read Explanation: Nephridia are the tubular excretory structures of earthworms and other annelids. Nephridia help to remove nitrogenous wastes and maintain a fluid and ionic balance. Read more in App
