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Humans & Environment

Vocabulary for Crossword Puzzle

TermDefinition
Biodiversity variety of organisms in a given area
Biological Magnification happens when concentrations of a harmful substance increase in organisms at higher trophic levels in a food chain or web
Over Fishing fish are being harvested faster than they can be replaced by reproduction
Extinction when a species disappears
Deforestation loss of forests
Smog mixture of chemicals in the air that makes a haze
Fossil Fuels burning these adds too much carbon dioxide to the air
Humus material from dead organisms
Species Diversity number of different species in the biosphere
Ozone naturally occurring gas in the atmosphere
Nonrenewable Resource resource that cannot be replaced naturally
Acid Rain precipitation having a pH below seven
Ozone Hole occurs over polar regions at certain times of the year
Ecosystem Diversity variety of habitats, communities, and ecological processes
Chlorofluorocarbons one type of ozone-destroying chemical
Greenhouse Effect trapping of sun's energy in atmosphere
Ultraviolet Radiation portion of sun's energy that can cause skin cancer
Desertification combo of farming, overgrazing, and drought turns areas into deserts
Renewable Resource resource can be filled naturally
Old Growth Forest forest that is a nonrenewable resource
Aquaculture raising aquatic animals for human consumption
Erosion wearing away of surface soild by water or wind
Genetic Diversity sum total of all the different forms of genetic information carried by all organisms living on Earth today
Topsoil uppermost layer of soil
Soil mixture of sand, clay, rock particles, and humus
Carbon Dioxide plants remove this from the air
Contour Plowing when fields are plowed across the slope of the land
Pollutant harmful material in the air or water
Invasive Species plant or animal that has migrated to an area where they are not native
Created by: goffteam
Popular Earth Science sets

 



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