This document provides instructions for students to make up assignments from the third quarter that received grades of C or lower. It states that students must follow the labeling and formatting guidelines, such as labeling assignments, using 1 page front and back summaries in a neat and structured format. Diagrams must also be neat and labeled. The assignments listed require summaries of various science concepts from chapters and pages in the textbook, as well as outlines, essays, and diagrams related to topics like the phases of matter, the atmosphere, weather, clouds, and tornadoes. Students are advised this is their last chance to improve their grade before the end of the third quarter.
Water is a vital resource that sustains life. Freshwater sources include groundwater, which infiltrates underground, and surface water. Groundwater depletion can occur when withdrawals exceed recharge, causing water tables to fall and land to subside. Increasing supplies involves desalination or reverse osmosis. Water pollution reduces water quality and harms organisms. Major pollutants include pathogens, nutrients, chemicals, sediments and heat. Pollution can be from point sources like factories or nonpoint sources like runoff. Treating sewage reduces pollution levels. Large-scale water diversions for uses like irrigation and cities can deplete rivers and harm ecosystems.
The document provides information about aquatic biodiversity including definitions of key terms like plankton, nekton, benthos, and decomposers. It also discusses aquatic ecosystems like coastal zones, wetlands, and intertidal zones. Multiple choice questions test comprehension of topics like ocean acidification, plankton types, eutrophic lakes, and aquaculture. A free response question asks why aquatic plants tend to be smaller while some marine mammals are extremely large.