Section 1
Which marine organisms drift along the top of the water?
Phytoplankton.
What are the three part of the Open Sea?
Euphotic Zone, Bathyal Zone, Abyssal Zone
Human Activities Day in and Day out ______ Carbon Dioxide Concentrations into the atmosphere which increases Ocean _________.
Increases, Acidity
A species like Salmon need water with ____ Dissolved Oxygen Concentration?
High
what are 2 of the 4 major ways human activities affected freshwater ecosystems
dams and canals restricting the flow of rivers, flood-control levees and dikes built along rivers, cities and farms which add pollutants and excess plant nutrients to rivers and streams, and inland wetlands have been drained or filled to grow crops or have been covered with concrete.
Name two Marine life zones and two Freshwater life zones.
Marine Life zones include: Oceans, bays, estuaries, coastal wetlands, shorelines, coral reefs, and mangrove forests.
What is the area of the shoreline between low and high tides called?
Intertidal Zone
Fishing Trawlers that go down up to 4000m scrape and tear up what zone of the ocean?
Abyssal Zone
In the Spring Months Is the temperature higher in the Limnetic Zone or the Profundal Zone?
Limnetic
What are the three scientific principles of sustainability
thriving on solar energy, participating in the cycling of carbon and other chemicals, and sustaining a great deal of aquatic biodiversity.
What are the two major types of aquatic life zones?
Marine or Saltwater life zones and freshwater life zones
Coastal Wetlands include...
Coastal Marshes, Mangrove Forest, and sea-grass beds.
The Destruction of Mangrove Tree Forests would be harming what ecosystem?
Coastal Ecosystem
The amount of oxygen that can dissolve in the water is based off of what?
Temperature.
how could we drastically cut pollution of aquatic systems and emissions that are causing ocean warming and ocean acidification.
By relying more on solar energy and less on fossil fuels.
Define Turbity
Cloudiness in volume of water; a measure of water clarity in bodies of water
What process decreases the levels of carbonate ions needed to form coral, shells, and skeletons, of organisms such as crabs, oysters, and some phytoplankton?
Ocean Acidification
What Marine Ecosystem have humans altered the most?
Coral Reef
Freshwater Lakes Temperatures vary by?
Depth and Season.
What percentage of earth does fresh and salt water cover?
3/4
Approximately what percent of salt water covers the Earth's surface?
71%
On average, how much CO2 does the ocean absorb that is admitted into the atmosphere
One Third, 1/3
As the Global Temperatures Increase, Algae Populations will_____?
Decrease
Freshwater Covers up what percentage of the Earths Surface?
2.2%
wetlands