6.3.notebook 1 February 11, 2013 Feb 79:59 AM A measurement of the amount of salts dissolved in water Salinity Feb 710:01 AM The uppermost layer of an aquatic ecosystem, where there is enough light for photosynthesis to occur Photic Zone
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6.3.notebook
1
February 11, 2013
Feb 79:59 AM
A measurement of the amount ofsalts dissolved in water
Salinity
Feb 710:01 AM
The uppermost layer of anaquatic ecosystem, where there isenough light for photosynthesis tooccur
Photic Zone
6.3.notebook
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February 11, 2013
Feb 710:02 AM
The very bottom of a body ofwater; can be pitch dark or sunlit,depending on the depth and clarityof the water
Benthic Zone
Feb 710:03 AM
The shallow, nearshore portion ofthe photic zone
Littoral Zone
6.3.notebook
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February 11, 2013
Feb 710:04 AM
The area farther from shore thanthe littoral zone, where no rootedplants exist
Limnetic Zone
Feb 710:04 AM
area of land that is floodedwith water at least part of theyear
Wetland
6.3.notebook
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February 11, 2013
Feb 710:05 AM
Area near a river’s course that isflooded periodically
Flood Plain
in Brecksville, this area is.....
Feb 710:06 AM
body of water that occurs whererivers flow into an ocean or inlandsea
Estuary
6.3.notebook
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February 11, 2013
Feb 710:07 AM
vertical flow of cold, nutrientrichwater toward the surface
Upwelling
Feb 710:08 AM
Identify three factors that characterize aquatic systems.
Salinitydepth water movement flowing or standing
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February 11, 2013
Feb 710:20 AM
Explain why a freshwater fish cannot survive in salt water.
a freshwater fish placed in salt water would die from water loss as water moves from the fish to the salt water.
Feb 710:23 AM
Give one reason why there tends to be more organisms in the photic zone than in the aphotic zone
there is much more dissolvedoxygen in the photic zone to support life because of photosynthesis
6.3.notebook
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February 11, 2013
Feb 710:26 AM
Flowingwater ecosystem
Water that moves almostconstantly
Ex: river, oceans, fish tank
Feb 710:30 AM
Standingwater ecosystem
Water that does not move ormoves slowly
Ex: pond, marsh, swamp
6.3.notebook
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February 11, 2013
Feb 710:33 AM
Identify three major ocean ecosystems.
Intertidal ecosystems,
neritic ecosystems,
openocean ecosystems
Feb 710:35 AM
Why is microscopic phytoplankton very important as a food source?
Microscopic phytoplankton are the base of food chains in theopen ocean, because the water is too deep for plants .
6.3.notebook
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February 11, 2013
Feb 711:10 AM
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