Sponges, Cnidarians, Worms, Lophophorates, Molluscs, Arthropods, Echinoderms, and Hemichordates are all animals that lack backbones and are known as invertebrates . Over 98% of species are invertebrates. Some invertebrate phyla have only one species, while others, like Arthropoda , include more than 83% of all described animal species with over a million species!
they have different signals
By eating Other fishes and plants
Echinoderms usually feed on smaller creatures in the sea floor. They also provide food for other larger fish within the ocean.
sea creatures, fishes. and sea livings
all the sea creatures are on the bottom of the ocean love dakotah
if only I am a girl
planktons.
Sea creatures (i think you mean animals) are found in all parts of the sea. However, the pacific ocean holds 1/3 of all ocean wildlife. well mostly the bottom in the deep sea
dolphins and whales
Coral
Antarctica is a continent surrounded by the Southern Ocean. That ocean is the most productive on earth in terms of sea creatures. The base of the short food chain is krill.
whale and fish of course
There are some pretty weird creatures living at the bottom of the sea, the most famous is the giant squid.
If you mean, "are all under water creatures, sea creatures?" then no. The term SEA is for the ocean and there also can be creatures in freshwater. Also some creatures that live in water such as some snakes and sea turtles come out of the water every so often, so they are no total sea/water creatures. Fish are underwater creatures though.