pug,tiger, and a monkey
land mammals live on land, sea mammals live in the water.
Most mammals live on land.
Because they are mammals and live on land.
They are just called land mammals, or perhaps terrestrial mammals.
Marine mammals do not live on land, and no marine mammals lay eggs. Marine mammals include whales, dolphins and porpoises.
It means mammals that live on land.
Both. Dolphins are mammals, and so are cats.
Whales and dolphins are mammals and they live in the water so no, not all mammals live on land.
Mammals live on both, (humans, dogs, cats etc.) live on land, some live in the water (whales, dolphins, etc.)
None. There are many mammals that live in the antarctic region, like cetaceans and pinnipeds, but the cetaceans do not go on land, and the pinninpeds are considered marine mammals rather than land mammals, because they hunt and spend much of their time in water.