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APES CROSSWORD

Name:
Period:
Date:
Across
land that supplies forage or vegetation for grazing and browsing animals, and is not intensively managed.
Removal of trees from a forested area.
Physical properties of the troposphere of an area based on analysis of weather records over a long period of time.
- Natural effect that releases heat into the atmosphere near the earth’s surface.
Wild species with so few individual survivors that the species could soon become extinct in all or most natural range.
Cloudiness in volume of a water: A measure of water clarity in lakes, streams, and other bodies of water.
Lake with a large supply of plant nutrients, mostly nitrates and phosphates.
Bottom-dwelling aquatic organisms.
Unwanted fish, marine animals, and sea turtles caught in the net and hooks of commercial fishing fleets.
Down
Destruction of vegetation when too many grazing animals feed too long on a specific area of pasture or rangeland and exceed the carrying capacity of the rangeland.
Land away from the coast, such as a swamp, marsh, or bog that is covered with all or part of the time with freshwater.
Method of timber harvesting in which all trees in a forested area are removed in a single cutting.
Extremely hot forest fire that burns ground vegetation and treetops.
Wild species that is still abundant in its natural range but is likely to become endangered because of a decline in its numbers.
Perennially frozen layer of soil that forms when the water there freezes (artic tundra).
Land area that delivers water, sediment, and dissolved substances via small streams to a major stream.
Catastrophic, widespread, often global event in which major groups of species become extinct over a short time compared to normal (background) extinction rates.
Small plant organisms and animal organisms that float in aquatic ecosystems (phytoplankton/zooplankton).
Partially enclosed coastal area at the mouth of a river where its freshwater, carrying fertile silt and runoff from the land, mixes with salty seawater.
Strongly swimming organisms found in aquatic ecosystems.