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Aquatic Ecosystems Crossword

Across
A body of water, partly enclosed by land, where fresh water from land meets the salt water of an ocean or inland sea.
An area that is flooded periodically by a river.
The measurement of the amount of salt dissolved in water
The shallow near-shore portion of the photic zone.
The vertical flow of cold, nutrient-rich water toward the surface.
The very bottom of a body of water.
Down
Area of land that is flooded with water for at least part of the year.
The portion of the photic zone that is far enough from shore that rooted plants cannot grow.
The uppermost layer in an aquatic system where there is enough sunlight for photosynthesis.
The layer of the aquatic ecosystem where sunlight cannot penetrate and photosynthesis cannot occur.