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bee-eater

(Encyclopedia)bee-eater, any of the brightly colored, insect-eating birds of the family Meropidae. They range in length from 6 to 14 in. (15–36 cm). The plumage of many species is predominantly green but usually ...

lancelet

(Encyclopedia)lancelet, name for small, fishlike lower chordate (see Chordata), also called amphioxus; it shows many affinities with the vertebrates. There are about 30 lancelet species, most belonging to the genus...

termite

(Encyclopedia)termite or white ant, common name for a soft-bodied social insect of the infraorder Isoptera. Originally classified in as a separate order, termites are genetically related to cockroaches and are now ...

beetle

(Encyclopedia)beetle, common name for insects of the order Coleoptera, which, with more than 300,000 described species, is the largest of the insect orders. Beetles have chewing mouthparts and well-developed antenn...

gland

(Encyclopedia)gland, organ that manufactures chemical substances. A gland may vary from a single cell to a complex system of tubes that unite and open onto a surface through a duct. The endocrine glands, e.g., the ...

newt

(Encyclopedia)newt, name for members of a large salamander family, widely distributed in the Northern Hemisphere and including the common European salamanders. Newts are lizardlike in shape and are usually under 6 ...

polyp and medusa

(Encyclopedia)CE5 Polyp and medusa stages in the life cycle of Obelia, representative of the phylum Cnidaria polyp and medusa, names for the two body forms, one nonmotile and one typically free swimming, found ...

anaphylaxis

(Encyclopedia)anaphylaxis ănˌəfəlăkˈsĭs [key], hypersensitive state that may develop after introduction of a foreign protein or other antigen into the body tissues. When an anaphylactic state exists, a secon...

llanos

(Encyclopedia)llanos yäˈnōs [key], Spanish-American term for prairies, specifically those of the Orinoco River basin of N South America, in Venezuela and E Colombia. The llanos of the Orinoco are a vast, hot reg...

katydid

(Encyclopedia)katydid, common name of certain large, singing, winged insects belonging to the long-horned grasshopper family (Tettigoniidae) in the order Orthoptera. Katydids are green or, occasionally, pink and ra...