Most middle school students comprehend that organisms have adaptations that enable their survival and that successful adaptations prevail in a population over time. Yet they often miss that those bird beaks, moth-wing colors, or whatever traits are the result of random, normal genetic variations that just happen to confer a negative, neutral, or…

"The National Science Education Standards" direct science educators to employ inquiry as a basic teaching strategy, and to place more emphasis on understanding student needs, abilities, and interests, and actively engaging in scientific investigations. Although they generally accept this emphasis as desirable, educators--particularly new…