Through their mouth
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?
Aquatic mammals are mammals that can swim and live in water if necessary.
land mammals live on land, sea mammals live in the water.
Mammal take in oxygen in the air while fish take in oxygen in the water.
No mammals can breathe underwater. All mammals, including sea mammals, must breathe above the surface of the water. This is why marine mammals such as dolphins and whales frequently come to the surface.
No, they can't. No mammals can except plataypuses.
Big mammals to little mammals, any type can.
Most mammals can't fly, or breathe through water.
Most mammals drink water through their mouth.
No, no mammals don't have gills, and can't breathe under water. Mammals have lungs, breathe air and have to hold their breath when diving.
mammals need water because their bodies are mostly made up of cells. every living thing needs water.
because they cannot live out of the water and yes they are mammals!!