B.1 Ecosystem Interactions & Dynamics How do ecosystems work, and how can understanding them help us protect them?

B.2 Ecosystems: Matter & Energy What causes fires in ecosystems to burn, and how should we manage them?

B.3 Inheritance & Variation of Traits Who gets cancer and why? What can we do about it?

B.4 Natural Selection & Evolution of Populations  

How does urbanization affect non-human populations, and how can we minimize harmful effects?

B.5 Common Ancestry & Speciation What will happen to Arctic bear populations as their environment changes?