easy.think about a sea animal and what it eats. then think about what THAT animal eats
Live sea animals, people, birds.
For the same reason any other animal eats. To survive.
coral is a animal because it is made out of dead sea animals (damian123)
The dead sea has to much salt content to support plant or animal life.
Animals that eat sea grass are Manatees, Sea Turtles, Conch es and Urchins.
Large animals with sharp teeth, such as sea lions or sharks.
The Woolly mammoth is extinct (dead). When it was alive it was the biggest land animal but there were bigger animals in the sea.
sea turtles and other sea animals
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Sea Urchins only eat see grass and algae. I hope that helps!
Birds and sea otters, will eat sea stars.