fish and small animals such as krill
All sea animals swim to find food. Like for example like seals, seals find food by swimming under the sea and catch fish. sharks find food by swimming under and sea and kill fishes or other sea animals. That's is your answer; there is many more :)
A group of cnidarians that provide food and shelter for many kinds of animals are the sea anemones. Many animals in the ocean use these as a sort of shelter
many different types of animals in the sea then on land
Seagulls are birds, not sea animals even though they use the sea for food.
fish, plankton, kelp, crill, shrimp, there are many
Animals that lives in the sea feeds on phytoplankton, other fishes or other marine animals.
Food.
Sea birds and sea mammals visit Antarctica's beaches to breed, together with other sea birds. There are no land animals on Antarctica: it's too cold and there is no food chain.
Since there is no food chain in Antarctica, it's too cold, there are no animals that live there. Sea animals eat other sea animals in the shortest food chain on earth.
the name given to tiny sea animals and plant that float in the sea.they form the main food of many sea animal
No animals live on the Antarctic continent: it's too cold and there is no food chain. However, many sea birds and sea mammals visit Antarctica's beaches to breed. These animals include penguins and seals.
Most sea floor animals eat decaying food particles. This can be leftovers from what other sea animals that live higher up have eaten.