Even though the concept of species is central in biology, the history of species concept and the existence of different species concepts are rarely discussed in biology classroom. This is unfortunate, as teachers could use the plurality of species concepts to enrich discussion in the classroom. Therefore, knowing the students' perception of…

Although historical changes in scientific ideas sometimes display striking similarities with students' conceptual progressions, some scholars have cautioned that such similarities lack meaningful commonalities. In the history of evolution, while Darwin and his contemporaries often used natural selection to explain evolutionary trait gain or…