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Ch 21.2

Ecology

QuestionAnswer
aphotic zone the deeper parts of the ocean, where there is so little light that plants cannot carry out photosynthesis
photic zone the area of an aquatic system that receives enough light for photosynthesis to occur
intertidal zone an area along ocean shorelines that lies between low and high water lines
plankton the mass of mostly microscopic organisms that float or drift freely in the waters of aquatic (freshwater and marine) environments
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
freshwater wetlands areas of land that are covered with fresh water for at least part of each year
Created by: mlavelle
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