Biosafety levels

Briefly summarize the 4 (four) different Biosafety levels. Give examples of microorganisms studied in each level:  

The implementation of strategy in an organization

  1) Video 1: Think Strategically, Act Tactically     2) Video 2: How to Improve Strategic Thinking with Simon Sinek     Please answer the below two questions after watching the above two youtube videos with references(All on 1 page).  ...