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Chapter 21
Section 2
| Question | Answer |
|---|---|
| the deeper parts of the ocean, where there is so little light that plants cannot carry out photosynthesis | aphotic zone |
| the area of an aquatic system that receives enough light for photosynthesis to occur | photic zone |
| an area along ocean shorelines that lies between low and high water lines | intertidal zone |
| a shallow marine environment that is near the shore or over the continental shelf that is rich in minerals and nutrients produced by biotic activity | neritic zone |
| the regions of the open sea that lie beyond and between the continental shelves | oceanic zone |
| the upper, central, or open region of a body of water | pelagic zone |
| the bottom region of oceans and bodies of fresh water | benthic zone |
| the mass of mostly microscopic organisms that float or drift freely in the waters of aquatic (freshwater and marine) environment | plankton |
| an area where fresh water from rivers mixes salt water from the ocean; the part of a river where the tides meet the river current | estuary |
| a lake that contains a large amount of decaying organic matter and lacks oxygen as a result | eutotrophic lake |
| a lake that lacks organic nutrients and, as a result, contains high levels of dissolved oxygen in its lower layer | oligotrophic lake |
| an area of land that is covered in fresh water for at least part of each year | freshwater wetland |
Created by:
fasolak16
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