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Unit 3 crossword puzzle

Across
(of a species) seriously at risk of extinction.
protect upland areas, including valuable residential and commercial property, from flooding due to sea level rise and storms.
the weather conditions prevailing in an area in general or over a long period.
lake or other body of water rich in nutrients and subject to eutrophication
the trapping of the sun's warmth in a planet's lower atmosphere
the tidal mouth of a large river, where the tide meets the stream.
an area or ridge of land that separates waters flowing to different rivers, basins, or seas.
refers to the standard rate of extinction in earth's geological and biological history before humans became a primary contrib
a body of water extremely rich in nutrients and minerals.
Down
a land area that is saturated with water, either permanently or seasonally
permafrost is ground, including rock or (cryotic) soil, at or below the freezing point of water 0 °C (32 °F) for two or more years
the cutting out of trees that are mature or defective,
aquatic animals that are able to swim and move independently of water currents
Any of several events in the Earth's past in which large numbers of species (in some cases, up to eighty percent) became exti
the area that is above water at low tide and under water at high tide.
the cloudiness or haziness of a fluid caused by large numbers of individual particles that are generally invisible to the naked eye
the action of clearing a wide area of trees.
any species (including animals, plants, fungi, etc.) which are vulnerable to endangerment in the near future.
are a diverse group of organisms that live in the water column of large bodies of water and that cannot swim against a current
the flora and fauna found on the bottom, or in the bottom sediments, of a sea, lake, or other body of water.