KEY CONCEPTS:
  

1.  Life exists from the microscopic (cell) to the global (ecosystems

2.  Organisms include a great diversity of species

3Evolution accounts for Life's Diversity and its Unity

4Biological systems (Life) is much more than the sum of its parts

5.  Biologists use scientific method & hypothesis-based testing to explore life

6.  There are several THEMES that connect the CONCEPTS of Biology & Life