fish, plankton, kelp, crill, shrimp, there are many
Seagulls are birds, not sea animals even though they use the sea for food.
Animals that lives in the sea feeds on phytoplankton, other fishes or other marine animals.
Food.
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.
pola bears no sea animals so thats BASIC
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 :)
Most sea floor animals eat decaying food particles. This can be leftovers from what other sea animals that live higher up have eaten.
Antarctica is a continent and the animals you name are sea animals. They eat their food from the food chain in the Southern Ocean.
Three basic needs of animals and humans are food, water, and shelter. These essential requirements are necessary for survival and well-being.
what meaning of aids
water food shelter air
yup you kill them and eat it at sea food restaurants