Some marine mammals are the otter, seal, walrus, manatees, dolphin, and various whales.
Most marine animals swallow their food whole. This is because they do not have teeth. But not all marine animals swallow their food whole. Some have small teeth.
Personally i wouldn't kill marine animals, but some people will to get food or to have fun
There are some whales that are supposed to be extinct. But some "extinct" animals have been found in deeper waters. There are also ancient marine mamels during the dinosour periods.
That's not all we also have a lot of deer, moose, and bear and lots of other animals rather than marine mammals all though there are a lot of those alsoMarine Mammals are mammals that live in an aquatic environment. They includeDolphinsPorpoisesManateesOttersSealsSeal LionsWalrusesWhales
The face pollution, human interference, lack of food supply in some cases, and oil.
No animal lives in Antarctica: it's too cold and there is no food chain. Some marine birds and marine mammals come to Antarctica' beaches to breed. Some penguin species are considered endangered, and you can read more about them, below.
Dolphins are marine mammals, zebras are terrestrial mammals. Zebras are herbivores, but dolphins are carnivores. Thus zebras are prey animals and dolphins are predators. But the biggest difference between these to animals is that they do not look the same.
starfish and some marine mammals
Different mammals eat different food. Mammals occupy varying places on a food chain. Some mammals are vegetarians, they are primary consumers. Some mammals are carnivores, they are higher level consumers. Some mammals are omnivores.
Prehistoric mammals and dinosaurs have not been found in Iowa. Iowa did have prehistoric marine life though. Some examples are Crinoids and Corrals.
some times the are but mostly carnivores
Sheilding them from Predaors,Food,A Safe Place to Keep There Egg,s