Respuesta :

Answer:

The plant which grow only in or on in water is called hydrophytes.

The three adaptational characteristics of aquatic animals are :

  • Their body is streamlined and hence, they can swim easily.

  • They have gills as the respiratory organs.

  • They have fins as the locomotory organs, Various types of fins are present in fishes such as dorsal fins, pectoral fins, caudal fins etc.