Some plants are highly variable, and intelligent humans have selectively bred and cross-bred plants to produce strikingly different varieties and forms. It is probable that ancient wild teosinte and modern corn varieties are an example of this. If a student should raise a question in a natural science class that the teacher determines is outside the domain of science, the teacher should treat the question with respect. The teacher should explain why the question is outside the domain of natural science and encourage the student to discuss the question further with his or her family and clergy. Ibid , p. 134.
Evolution is both a pattern and a process.
It is also both a fact and a theory. Ibid , p.123.