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They can sleep under water because they can hold their breath for a very long time.
The oragin of the sonar in whales in dolpins. They were the first to use ecolocation to ee under water.
because they can not breath under water that long? because they can not breath under water that long?
gills-breath under water no gills-can't breath under water
Dolphins don t breath under water. Mammals breath air. Every 15 min they go out of the water to breath
they breath with their gills
they dont breath under water the just hold it and come up for air
They do not breathe underwater. They hold their breath under the water and surface to breathe.
They do not breathe under water, they just hold their breath for long periods of time.
dolphins sleep in pods in a circle formation in shallow waters or a lagoon with no preditors
no
Elepants can't breath under water. They can swim though and they can breath if they stick their trunk above the water.