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bur marigold

(Encyclopedia) bur marigold or sticktight, common name for any species of Bidens, a genus of chiefly weedy North American plants of the family Asteraceae (aster family) with two-pronged burlike…

sea cucumber

(Encyclopedia) sea cucumber, any of the flexible, elongated echinoderms belonging to the class Holothuroidea. Although sea cucumbers have the basic echinoderm radial symmetry (see Echinodermata),…

gecko

(Encyclopedia) geckogeckogĕkˈō [key], small or medium-sized lizard of the family Gekkonidae. Some 1,500 species are distributed throughout the warm regions of the world, mostly in the Old World.…

milkweed

(Encyclopedia) milkweed, common name for members of the Asclepiadaceae, a family of mostly perennial herbs and shrubs characterized by milky sap, a tuft of silky hairs attached to the seed (for wind…

violet

(Encyclopedia) violet, common name for some members of the Violaceae, a family of chiefly perennial herbs (and sometimes shrubs, small trees, or climbers) found on all continents. Violets, including…

subspecies

(Encyclopedia) subspecies, also called race, a genetically distinct geographical subunit of a species. See also classification.

stargazer

(Encyclopedia) stargazer, common name for any of several species of marine fishes of the family Uranoscopidae, found in southern waters, and having the mouth, nostrils, and eyes set high in the head…

mallow

(Encyclopedia) CE5 Rose mallow, Hibiscus moscheutos mallow, common name for members of the Malvaceae, a family of herbs and shrubs distributed over most of the world and especially abundant in…

toad

(Encyclopedia) toad, name applied to certain members of the amphibian order Anura, which also includes the frog. Although there is no clear-cut distinction between toads and frogs, the name toad…

seal, in zoology

(Encyclopedia) seal, carnivorous aquatic mammal with front and hind feet modified as flippers, or fin-feet. The name seal is sometimes applied broadly to any of the fin-footed mammals, or pinnipeds,…