Barrons AP Environmental Science

EXAMPLE PROBLEM In the surface waters of lakes and oceans, producers (plants) are mainly unice ...

The oxygen increased in the light bottles due to photosynthesis, and the oxygen decreased in the ...

The types of aquatic biomes you should be familiar with are Antarctic, marine, lakes, wetlands, and rivers and ...

Terrestrial biodiversity is low. Antarctic seas are extremely productive because phytoplankton grow abun ...

■ Oceanic acidification (from extra dissolved carbon dioxide) and its long- term effects on the oceanic carbon ...

carbon dioxide. The total net primary productivity of the oceans, when compared to the total surface of Earth, ...

CORAL REEFS—corals consist of both algae (zooanthellae) and tissues of animal polyp. Corals obtain calories ...

INTERTIDAL—where the ocean meets the land. Can be submerged or exposed since waves and tides come in and ...

international treaties. – Ban or reduce nondegradable plastic bags in stores and require shoppers to bring their ...

North America); (3) salt or saline lakes that form where there is no natural outlet or where the water ...

higher animals; produces food and oxygen that supports most of a lake’s consumers. ■ PROFUNDAL ZONE—deep, ...

■ High oxygen concentration ■ Populated with cold water fish such as trout, steelhead, whitefish, and salmon ...

forming a lower layer called the hypolimnion. The surface and water near the shore are warmed by the ...

the freezing mark. Thus, as lake waters move toward freezing, the water sinks to the lake bottom when ...

Figure 4.12 Wetland (estuarine) food web Ecological Services of Wetlands Wetlands provide many ecological ben ...

■ Providing areas for agriculture and timber (e.g., rice, various berries, and certain species of trees). ■ Recharging ...

shellfish affects the wetland food webs. Dams and levees Dams and levees prevent nutrient-rich sediments from movi ...

flooding. Mining Mine wastes (spoils) are often deposited in the floodplain. Oil exploration and spills See the Gulf ...

– Establish and maintain a vegetative buffer or greenbelt—a strip of upland surrounding the wetland that is m ...

largely determined by the terrain and vegetation of the area through which they flow and is also determined ...