Paleoecological and biostratigraphic models for pleistocene and miocene, geology homework help

The attached article is dealing with biostratigraphy and fossil markers associated with water depth, geologic time scale,etc… Answer the questions using the article with brief paragraphs.

1.Write a paragraph on how they address the issues of age versus environment with biostratigraphic markers and paleoecologic markers remember both control the distribution of fossil ranges.

2. Write a paragraph on how they address the issue of down-slope transportation of foraminifera.

3.Write a paragraph on what they have done to make it easier to recognize deep water sediments in response to increased exploration activity in deepwater strata.

4.Comment on the local versus regional/global utility of the methods described in this paper.