Sonar
Dolphins can live in both, it depends on their inhabitant.
They both like water.
Dolphins live in both warm and cold water. They are found more often in warm water, but have blubber which insulates them for cooler water.
Yes, dolphins can live in both. The fresh water dolphins are related to the River dolphins. They include Piatanistidae, Ganges and Indus, niidae ( Boto or Amazon ) , Pontoporiida ( Baiji or Franciscana ) But, the only dolphin that can live in both is the Tucuxi ( Sotalia Fluviatilis ) There are may other dolphins that live in salt water though. They include Bottlenose, Spinner, Strpied, and many, many more.
Actualy They live in both
Submarines have ballast tanks inside them that can be filled with water to make them sink.
they live in the sea, meat eaters, .............................!
Dolphins' eyes are round. They have an acute sense of vision, both underwater and outside of water.
they are both dolphins.
Yes , bottlenose dolphins have acute vision both in and out of water. Scientists do not know for sure if they can see in color or not though!
Dolphins do not drink, but absorb water from eating their prey. Despite frequently using ecolocation, dolphins have very good eyesight both above and below water. Dolphins are considered mammals partly because they are born with hairs on their chins, which they lose shortly after birth.
submarines and bats both use sonar. Calvin was here