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Non-Native Species: Land Animals

by Mark Hughes Prev Next Africanized Honeybee Native to Africa, this honeybee was imported to Brazil in 1956 to breed with European honeybees in the hope that they…

Non-Native Species: Aquatic Animals

by Mark Hughes Prev Next Round Goby Native to Eurasia, it arrived in the Great Lakes via ballast water. The round goby is known for competing with and preying on…

Bald Eagle Removed from Endangered Species List

Conservation efforts help population of bald eagle increase from 400 to 10,000 over 40 years by Beth Rowen Bald Eagle Related Links Endangered and Threatened SpeciesJefferson MemorialFounding…

competition, in biology

(Encyclopedia) competition, in biology, relationship between members of the same or different species in which individuals are adversely affected by those having the same living requirements, such as…

cockroach

(Encyclopedia) cockroach or roach, name applied to some 4,600 species of flat-bodied, oval insects in the order Blattodea. Cockroaches have long antennae, long legs adapted to running, and a flat…

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…