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21.2
Question | Answer |
---|---|
aphotic zone | zone in the ocean where sunlight cannot penetrate and photosynthesis cannot occur |
photic zone | zone in the ocean that receives sunlight |
aphotic zone | zone in the ocean where sunlight cannot penetrate and photosynthesis cannot occur |
neritic zone | zone that extends from the intertidal zone over the continental shelf and to relatively shallow water |
oceanic zone | zone beyond the continental shelf which is the deep water of the open sea |
pelagic zone | the open ocean |
benthic zone | the ocean bottom |
pelagic zone | the open ocean |
estuary | a comminity where freshwater rivers and streams flow into the sea |
eutrophic lake | rich in organic matter and vegetation, so the waters are relatively murkey |
oligotrophic lake | contain little organic matter, clear water, sandy or rocky bottom |
freshwater wetland | areas of land that are covered with fresh water for at least part of each year |