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Cnidarians
Cnidarians are relatively simple aquatic animals. Main groups of organisms in Cnidaria include corals, anemones, jellyfish, sea fans, sea whips and zooplankton.
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Marine Fish
Marine fish are aquatic vertebrates. Marine fish include cartilaginous fish, bony fish and sea horses.
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Marine Mammals
Marine mammals are warm blooded, vertebrate animals. Groups of organisms in marine mammals include dugongs, purpoises, whales and dolphins.
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Seagrasses
Seagrasses are flowering plants that grow in marine environment. They are the main diet for dugongs.
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Marine Algae
Marine algae are simple photosynthetic aquatic organisms. Algae include phytoplankton, dinoflagellates, diatoms, microalgae and seaweeds.
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Marine Reptiles
Marine reptiles are tetrapods and cold-blooded animals. Marine reptiles include turtles and sea snakes. |
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Sponges
Sponges are sessile filter feeders. Sponges are the simplest animals.
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Marine Worms
Marine worms are elongated, slender and soft-bodied invertebrate animals. Marine worms include turbellarians, flukes, tapeworms, nematodes, roundworms, peanut worms, echiurians, arrow worms, acorn worms and phoronida.
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Marine Arthropods
Marine arthropods include barnacles, crabs, horseshoe crabs, prawns, crayfish, lobsters, shrimps and zooplankton.
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Marine Molluscs
Marine molluscs include various animals such as snails, clams, cowries, abalone, squids, cuttlefish, octopuses, chiton, lamp shells, nautilus, nudibranch and zooplankton.
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Ascidians
Ascidians are sac-like marine filter feeders which are commonly known as sea squirts or tunicates.
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Echinoderms
Echinoderms are marine animals which encompass sea cucumbers, starfish, brittlestars, basketstars, sand dollar, sea urchins and featherstars.
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Bryozoans
Bryozoans are tiny colonial animals that generally build stony skeletons of calcium carbonate. They are also known as sea mats.
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Marine Fungi
Fungi are heterotrophic organisms characterized by a chitinous cell wall including fungus-like protists.
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Marine Microbes
Marine microbes are marine microscopic organisms. Marine microbes can include parasites, bacteria, archaea and animal-like protista.
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Ctenophora
Commonly known as comb jellies. Ctenophora looks like jellyfish but zoologically they are not because they lack the characteristics cnidocytes.
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