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Evolution

QuestionAnswer
Adaptation ? trait that helps an organism survive in its environment and reproduce to give organisms the favorable trait
evolution ? the gradual change and development of an organism over a long time
extinction ? disappearance of all members of a species
fossil ? remains or traces of a once-living organism
mutation ? change in gene or DNA
natural selection ? survival of offspring that have favorable traits
overproduction ? species produce too many offspring; drives natural selection
competition? organisms fight for survival
Darwin? the scientist that created the theory of Natural Selection
fossil record the history of life on Earth documented by fossils
anatomy the study of the body structures in an organism
embryology the study of embryos and their development
vertebrate an animal that has a backbone or spinal column
homologous structures body parts with similar structures but different functions
common ancestor different species are related; more similarities, the more closely related
Created by: lperetta
 

 



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