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Peer reviewedBardell, David – American Biology Teacher, 1997
Biology textbooks usually give examples of organisms that have become ideally adapted to their habitat as a result of evolution. This article illustrates some poorly adapted organisms. Imperfections serve to demonstrate the purely chance nature of evolution since either the beneficial changes have not happened or the modifications that have…
Descriptors: Animals, Biological Influences, Biology, Elementary Secondary Education
Peer reviewedPalmer, Sandra C.; Norton, Roy A. – American Biology Teacher, 1988
Compares different views of the role of sexual reproduction concerning the survival and evolution of species. Discusses the benefits and disadvantages of thelytoky, one nontraditional method of reproduction. (CW)
Descriptors: Animals, Biological Influences, Biological Sciences, College Science
