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PHYTOPLANKTON, ZOOPLANKTON, DECOMPOSER, CORMORANT, PLANKTON, MACKEREL, BACTERIA, ANCHOVY, SARDINE, HERRING, DOLPHIN, PELICAN, LOBSTER, CATFISH, SALMON, OSPREY, SHRIMP, ALGAE, KRILL, TROUT, OTTER, SNAIL, TUNA, PIKE, BASS, EEL
GRASSHOPPER, DECOMPOSER, HERBIVORE, CARNIVORE, PREDATOR, INSECT, GRASS, SNAKE, MOUSE, FROG, HAWK, PREY