Oxygen.
well we can say that air dissolves in water as marine animals need O2 for breathing.
animals that do not live in water are called mammals unless if it is a dolphin or turtle. amphibian: vertebrates that live life in and out of the water
mainly animals in water. marine means water affiliated.
Animals that live in the oceran are called marine animals. Animals that live in water that's not the ocean are called freshwater/aquatic animals.
Trilobites are extinct but they were marine animals.
Marine animals breathe through the nose by inhaling and exhaling. :)
animals that live in the water
a dolphin which can be in brackish water too, which is fresh and salt water combined.
That's an animal that lives in the water (marine) and eats plants as well as animals.
== == materials get into water by animals waste
animals need water to keep them hydrated, healthy and alive.
Marine animals do not break down water molecules into oxygen, just like we don't. They breathe O2 gas that is in solution in the water.