• Homepage for Essential Science for Teachers: Life Science

• Lecture 2: What is Life?

• Lecture 3: What is It? Classifying Living Things

• Lecture 5: Animal Life Cycles

• Lecture 6: Plant Life Cycles

• Lecture 8: Energy Flow in Communities

• Lecture 9: Material Cycles in Ecosystems

• Lecture 11: Variation, Adaptation and Natural Selection

• Lecture 12: Evolution and the Tree of Life

• Directions regarding how to view these tapes outside of class.

Last updated on 30 Jul 2007.