Lecture 9 - Biodiversity, natural selection and adaptation. In this week, students learn that adaptive characteristics of a species affect its chance for survival or possible extinction. As they explore adaptation, they draw on their experience to provide examples of: Biological adaptations that enhance survival and reproductive success in a particular environment; adaptations, such as changes in structures behaviors; physiology. | Lecture Science 1 - Associate Degree in Education Lecture 9 - Dr. Arshad Bashir