plasiosaurus
Dolphins have flippers because they are useful for navigating in water. Since dolphins live their whole lives in the water, they do not need feet. Flippers are useful for steering.
Elasmosaurus was not a dinosaur. It was a type of long necked plesiosaur, a group of marine reptiles living only during the Mesozoic. They had, of course, long necks and swam with the use of flippers; they didn't have tails capable of propulsion. They were predatory, eating fish, and probably spent their entire lives in the water.
we can't say, because were discovering more all the time. there is actually no such thing as a dinosaur that spent its whole life in water as one of the definitions of a dinosaur is an animal with steady legs that support it on land. any water animal would have flippers so they cant stand. the animals that lived in the water were just animals that lived in the dinosaur period not actual dinosaurs.
A penguin's flippers give them an advantage of speed and agility in the water.
A penguin has wings that look like flippers. Penguins (several species) use their flippers to swim under water.
a plesiosaurus is a dinosaur that lived millions of years ago. It had a very long neck and four flippers. It lived in the water eating fish and sometimes birds.
they lives in north america,it has long fins like flippers
The flippers help divers move at greater speeds and force and is less taxing on the diver.
Because they swim in the water
Tortoises are commonly accepted as being land animals, so have claws rather than flippers, while turtles are aquatic - either fresh water or marine.
A seal will use flippers to help it swim through the water.They also help to change direction when swimming.
A seal will use flippers to help it swim through the water.They also help to change direction when swimming.