describe the methods and limits of scientific investigation

600 to 700 words
describe the methods and limits of scientific investigation as used in marine fish stock assessments. (no outside literature)

Scoring will be based on the following criteria:

ability to establish the context of subject matter in the introduction,
content accuracy and comprehension of the data acquisition, methods of analyses and outcomes of scientific investigations, and
the limitations of the methods in achieving reliable and verifiable estimates and the application of the results to the overall goals of fish stock assessment.
The essay should be written in third person narrative style as it is a technical essay.
Organize your essay into the following sections with the following headings at the top of each section: