Discuss Emergency Management.

This assignment has 2 individual portions. The first portion of this assignment is to revise your Phase 4 Individual Project. You must utilize your instructor feedback and any additional information that you have discovered since you first submitted the assignment for grading.The second portion is to address the following:Dr. Raphael Sagarin, a marine biologist, writes about natural security systems and considers how they can be applied to analysis and practice in human society. Your assignment this week is to write a strategy memo applying two of the concepts that he identifies as occurring in the natural world and describe how you would use these concepts to improve an element of Homeland Security. Your analysis should include reference to Dr. Sagarin’s paper as well as any additional research you need to conduct to support your claims. It should be 800 words in length.Sagarin, R. (2010). Natural security for a variable and risk-filled world. , (3). Retrieved from