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Père David's deer

(Encyclopedia)Père David's deer pĕr dävēdzˈ [key], Asian deer, Elaphurus davidianus, known only in a semidomesticated state. Also known as milu and elaphure, it has a bulky, donkeylike body, reaching a shoulde...

meristem

(Encyclopedia)meristem mĕrˈistĕmˌ [key], a specialized section of plant tissue characterized by cell division and growth. Much of the mature plant's growth is provided by meristems. Apical meristems found at th...

mimicry

(Encyclopedia)CE5 Mimicry in butterflies mimicry, in biology, the advantageous resemblance of one species to another, often unrelated, species or to a feature of its own environment. (When the latter results fr...

Scopes trial

(Encyclopedia)Scopes trial, Tennessee legal case involving the teaching of evolution in public schools. A statute was passed (Mar., 1925) in Tennessee that prohibited the teaching in public schools of theories cont...

creationism

(Encyclopedia)creationism or creation science, belief in the biblical account of the creation of the world as described in Genesis, a characteristic especially of fundamentalist Protestantism (see fundamentalism). ...

eukaryote

(Encyclopedia)eukaryote yo͞okârˈē-ōtˌ [key], a cell or organism composed of cells that have a membrane-bound nucleus and organelles (mitochondria, chloroplasts; see cell, in biology) and genetic material orga...

Uppsala

(Encyclopedia)Uppsala ŭpˈsələ, –säˌlä [key], city (1990 pop. 109,500), capital of Uppsala co., E Sweden, on the Fyrisån River. It is an industrial and cultural center and a railroad junction. Manufactures...

Butler, Samuel, 1835–1902, English author

(Encyclopedia)Butler, Samuel, 1835–1902, English author. He was the son and grandson of eminent clergymen. In 1859, refusing to be ordained, he went to New Zealand, where he established a sheep farm and in a few ...

Lysenko, Trofim Denisovich

(Encyclopedia)Lysenko, Trofim Denisovich lĭsĕngˈkō, Rus. trəfēmˈ dyĭnyēˈsəvĭch lĭsyĕnˈkə [key], 1898–1976, Russian agronomist. As president of the Lenin All-Union Academy of Agricultural Sciences ...

extinction

(Encyclopedia)extinction, in biology, disappearance of species of living organisms. Extinction usually occurs as a result of changed conditions to which the species is not suited. If no member of the affected speci...