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alga |
any of various primitive, chiefly aquatic organisms that make their food through photosynthesis but have no roots, stems, or leaves. |
algae |
pl. form of "alga," any of various primitive, chiefly aquatic organisms that make their food through photosynthesis but have no roots, stems, or leaves. Algae include the seaweeds and diatoms. |
alligator flag |
any of a family of large, broad-leafed, tropical, aquatic plants that usually grow up to six feet tall and have heavy blooms of delicate blue and purple flowers. |
amphibian |
any cold-blooded vertebrate, such as a frog or salamander, that has aquatic gill-breathing larvae and terrestrial lung-breathing adults. [2/4 definitions] |
aquaculture |
the cultivation of water plants, fish, shellfish, and other aquatic animals in controlled freshwater or saltwater environments. |
aquarium |
an artificial pond or container filled with water in which aquatic forms of life are kept. [2 definitions] |
aquatic |
an aquatic plant or animal. [1/4 definitions] |
arrowhead |
an aquatic plant having arrowhead-shaped leaves and white blossoms. [1/3 definitions] |
bladderwort |
any of a large group of mostly aquatic plants with small bladders on their finely divided leaves that trap their prey. |
cetacean |
of or belonging to the group of aquatic mammals that includes whales, porpoises, and dolphins. [2 definitions] |
coot |
any of several dark grayish, short-winged aquatic birds related to rails. [1/3 definitions] |
coral |
any of various aquatic invertebrates, polyps, that secrete a hard skeleton and often live in colonies. Their cummulative skeletons eventually form reefs in warm, shallow seas. [1/6 definitions] |
crustacean |
an aquatic animal with a hard shell and jointed legs. Crustaceans live in fresh or salt water. There are many kinds of crustaceans, including crabs, crayfish, lobsters, and shrimps. Crustaceans are kinds of arthropods. |
desman |
either of two molelike aquatic mammals found in eastern Europe and western Asia that feed on insects and have webbed feet and a long snout. |
flipper |
a wide, flat limb such as on a whale, sea turtle, sea lion, or other aquatic animal, used esp. for swimming. [1/3 definitions] |
gull1 |
any of a variety of web-toed aquatic birds characterized by long pointed wings, agile flight, and mostly gray and white plumage. |
hornwort |
any of several aquatic plants that have whorled leaves and unisexual flowers. |
leech |
any of various primarily aquatic bloodsucking or carnivorous worms, one species of which was formerly used medicinally to bleed patients. [1/4 definitions] |
mare's-tail |
an aquatic plant with tiny flowers and thick whorls of narrow, hairlike leaves. [1/2 definitions] |
mayfly |
any of various fragile, winged insects that have a long aquatic larval stage, but that live in the adult stage for only a few hours. [1/2 definitions] |
mossback |
an old aquatic creature, such as a turtle, with a mosslike growth of algae on the back. [1/2 definitions] |
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