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______ Biology deals with the living content of the sea.
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Jawless fish that feeds on dead or dying fish.
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______ eels have narrow, powerful jaws and knifelike teeth.
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Billions of tiny floating organisms wandering the ocean currents.
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Instead of teeth, ______ whales have a fine mesh sieve.
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Octopus and squid are members of which group of marine invertebrates?
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The movement of deeper layers of water toward the surface.
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Shrimplike animals that gnaw through wooden pilings and rubber insulation.
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Underwater scientists are also called ____________.
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Hydrogen sulfide from decaying birds and fish that blackens ship hulls is known as _______ Painter.
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The largest of all the fish in the ocean is the tropical _____ shark.
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Type of marine weed that chocks out native vegetation in Chesapeake Bay.
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