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Science Ch 5
The Living Seas vocab
| Term | Definition |
|---|---|
| plankton | tiny plants and animals that float in the upper regions of the ocean |
| molecule | the smallest part of a substance that still has all the qualities of that substance |
| atom | the smallest part of an element (much too small to be seen); made of one or more electrons flying about the nucleus |
| aquifer | an underground place where water collects |
| tide | the systematic rise and fall of ocean water every six hours |
| intertidal zone | one of various regions between the low-tide and high-tide lines where plants and animals are clustered together |
| mollusk | a soft-bodied invertebrate often having a protective shell (exoskeleton); a small, one- or two-shelled invertebrate |
| bivalve | a mollusk having two matching shells joined by hinges |
| univalve | a mollusk having a single shell |
| crustacean | an invertebrate with a crust-like shell, a segmented body, and jointed legs, such as shrimp, lobsters, and crabs; a kind of shellfish |
| regenerate | to regrow |
| sea anemone | a colorful animal that looks like a flower |
| algae | water plants such as seaweed |
| barnacle | an invertebrate that cements itself to rock |
| whelk | a snail that eats mussels |
| oyster | a bivalve that forms pearls |
| rookery | a colony, usually of birds |
| ecology | the science that studies the complex relationships between living things and their surroundings |
| mother-of-pearl | the beautiful lining of clam and mussel shells |
| pinniped | an animal with flippers, such as a walrus or seal; a " wing-footed" animal |
| blubber | a thick layer of fat under the skin of most sea mammals that protects them from the cold and helps them float |
| parrotfish | has teeth which are fused to form a beak |
| coral polyp | has an outer covering that forms reefs |
| stonefish | the most poisonous fish in the world |
| elephant seal | the largest pinniped |
| walrus | a large pinniped with tusks |
| blenny | the cleaner mimic |
| sea horse | the fish that swims upright |
| sea otter | uses tools to crack open sea urchins |
| oceanographer | a scientist who studies the sea |
| wandering albatross | the largest flying bird |
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