mammals need water because their bodies are mostly made up of cells. every living thing needs water.
air,water,environment,temperature,and food.
they are mammals so they need water. they also need food
Marine mammals live and water and they need to surface to breathe. While land mammals can breathe just as humans do.
Yes, because they are mammals just like you are.
Definitely. All mammals do, for sure. All living creatures need it to survive
poo poo poo
because they are mammals and need to breath but they can underwater for a long time
fly to and from the island while mammals need would need a land route or be taken by boat.
I don't think they can. All mammals need food & water to survive... i think..
No, hippos are mammals. Therefore, they have lungs and need to breathe air to survive.
No they do need to live close to water though..they are amphibians so their body cannot hold water as long as mammals or reptiles.can but they do not have to constantly have to be in water like fish
No they take the oxygen in the water through their gills. However, whale do because they are mammals not fish and all mammals need to breath after all humans don't have gills do they?