What is the role of Customs and Border Protection (CBP) in securing trade in maritime ports?

What is the role of Customs and Border Protection (CBP) in securing trade in maritime ports?What is the agency’s “current” maritime challenges? Additionally, how did the Homeland Security Act of 2002 change the structure of CBP?Be specific?
What over-arching approach to security strategy is the Maritime Transportation Security Act (MTSA) of 2002 employing? (This is not a straight cut and paste answer from the law. It will require your critical analysis of the Act and its’ applications/requirements. What is the over-arching purpose of the act?
How do you see the Global Maritime Transportation system changing in the next decade? With this change what single security issue will be of universal concern and why? Think globally with your response and NOT just within the US.

Significance of Major Discoveries in Modern Biology

Discoveries in DNA, cell biology, evolution, and biotechnology have been among the major achievements in biology over the past 200 years with accelerated discoveries and insights over the last 50 years. Consider the progress we have made in these areas of human knowledge. Present at least three of the discoveries you find to be most important and describe their significance to society, health, and the culture of modern life.