Dolphins communicate by sending a series of pulses which travel through the ocean water Each dolphin has a characteristic voice through which other dolphins can recognize it.

Objects which can move quickly through the water have a ____ shape.

Apart from stomata through which other way can oxygen enter the plants ?

Mention few mediums through which sound waves can travel.

Susu Dolphin is found in the waters of which river

Dolphins and whales communicate under water using sound. They can see each other with their eyes and also by producing sound. Dolphins and whales are able to communicate in water because sound