This is part 2 to a two part power point (see listing for Part 1 for description). It covers marine system and the main issues for each. It contains 12 high quatily slides that can be edited to suit your content. It can be used for AP and IB classes.
This presentation does NOT deal specifically with pollution, only usage issues.
Classification of marine life zones
Intertidal- sandy and rocky
Estuaries and wetlands