Terms for chapter 21 section 2
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| aphotic zone | the deeper parts of the ocean, where there is so little light that plants cannot caryy out photosynthesis
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| photic zone | the area of an equatic system that receizes enough light for photosynthesis to occur
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| intertidal zone | an area along ocean shore-lines that lies between low and high water lines
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| neritic zone | a shallow marine environment that is near the shore or over the continental shelf and that is rish in minerals and nutrients produced by biotic activity
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| oceanic zone | the regions of the open sea that lie beyond and between the continental shelves
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| pelagic zone | the upper, central, or open region of a body of water
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| benthic zone | the bottom region of oceans and bodies of fresh water
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| plankton | the mass of mostly microscopic organisms that float or drift freely in the waters of aquatic (freshwater and marine) environments
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| estuary | an area where fresh water from rivers mixes with salt water from the ocean; the part of a river where the tides meet the river current
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| eutrophic lake | a lake that contains a large amount of decaying organic matter and lacks oxygen as a result
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| oligotrophic lake | a lake that lacks organic nutrients and, as a result, contains high levels of dizzolved oxygen in its lower layer
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| freshwater wetland | an are of land that is covered in fresh water for at least part of each year
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Or sort by any of the columns using the down arrow next to any column heading.
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