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club moss

(Encyclopedia) club moss, name generally used for the living species of the class Lycopodiopsida, a primitive subdivision of vascular plants. The Lycopodiopsida were a dominant plant group in the…

earwig

(Encyclopedia) earwig, common name for any of the smooth, elongated insects of the order Dermaptera. Earwigs are small, with pairs of horny, forcepslike abdominal appendages, larger in the male than…

hermit crab

(Encyclopedia) hermit crab, a crustacean distinguished from true crabs by its long, soft, spirally coiled abdomen terminating in an asymmetrically hooked tail. Most hermit crabs protect this…

porcupine, in zoology

(Encyclopedia) porcupine, member of either of two rodent families, characterized by having some of its hairs modified as bristles, spines, or quills. The quills are loosely attached to the porcupines…

aster

(Encyclopedia) CE5 Cross section of a sunflower, a member of the aster family aster [Gr.,=star], common name for the Asteraceae (Compositae), the aster family, in North America, name for plants…

Ctenophora

(Encyclopedia) CE5 Pleurobrachia, representative of the phylum Ctenophora CtenophoraCtenophoratĭnŏfˈərə [key], a small phylum of exclusively marine, invertebrate animals, commonly known as comb…

fluke

(Encyclopedia) fluke, parasitic flatworm of the trematoda class, related to the tapeworm. Instead of the cilia, external sense organs, and epidermis of the free-living flatworms, adult flukes have…

shadbush

(Encyclopedia) shadbush,&sp;Juneberry, or serviceberry, any species of the genus Amelanchier of the family Rosaceae (rose family), chiefly North American shrubs or trees conspicuous in the early…

redbud

(Encyclopedia) redbud or Judas tree, name for trees and shrubs of the genus Cercis, handsome plants of the family Leguminosae (pulse family), covered along the branches in the early spring with deep…

larkspur, in botany

(Encyclopedia) larkspur, any north temperate, Old World annual of the genus Consolida of the buttercup family. Consolida species were formerly classified in the genus Delphinium, which includes…