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jackal

(Encyclopedia)jackal, name for several Old World carnivorous mammals of the genus Canis, which also includes the dog and the wolf. Jackals are found in Africa and S Asia, where they inhabit deserts, grasslands, and...

sex

(Encyclopedia)sex, term used to refer both to the two groups distinguished as males and females, and to the anatomical and physiological characteristics associated with maleness and femaleness. Sex relates to the t...

teeth

(Encyclopedia)CE5 A. Upper and lower teeth of an adult B. Cross section of a molar teeth, hard, calcified structures embedded in the bone of the jaws of vertebrates that perform the primary function of masticat...

Chibcha

(Encyclopedia)Chibcha chĭbˈchə [key], indigenous people of the eastern cordillera of the Andes of Colombia. Although trade with neighboring tribes was common, the Chibcha seem to have evolved their culture in co...

Counts, George Sylvester

(Encyclopedia)Counts, George Sylvester, 1889–1974, American educator, b. near Baldwin City, Kans., grad. Baker Univ., 1911, Ph.D. Univ. of Chicago, 1916. He taught in the educational departments of several univer...

parasite

(Encyclopedia)parasite, plant or animal that at some stage of its existence obtains its nourishment from another living organism called the host. Parasites may or may not harm the host, but they never benefit it. T...

International Labor Organization

(Encyclopedia)International Labor Organization (ILO), specialized agency of the United Nations, with headquarters in Geneva. It was created in 1919 by the Versailles Treaty and affiliated with the League of Nations...

stratigraphy

(Encyclopedia)stratigraphy, branch of geology specifically concerned with the arrangement of layered rocks (see stratification). Stratigraphy is based on the law of superposition, which states that in a normal sequ...

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