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Chapter 6 Study Crossword

Across
Resource that cannot be replenished within a reasonable amount of time
The practice of planting crops across the soil of land instead of down the slope
A mixture of chemicals formed from emissions from cars and industry
Breaking a habitat into smaller pieces making little habitat "islands"
In dry climates, farming and overgrazing changes farmlands into deserts
A place where many species and habitats are in mediate danger of extinction
Increasing concentration of a harmful substance in organisms at higher trophic levels in a food web or food chains
The wearing away of surface soil by water and wind
Total of all the variety of organisms in the biosphere
When farmers plant different crops in the same place at different times of the year or in different years
A rise in Earth's average temperature
Forests that have never been cut
Down
Resource that can be replenished by a natural process wishing a reasonable amount of time
The rich portion of the soil-made from soil mixed with organic matter
The total area of the land and water ecosystems that provide the resources each person uses
Uses natural resources to meet human needs without causing long-term damage to the environment
Microscopic particles that cause heart problems
A harmful material that can enter the biosphere
Farming strategy of planting a single, highly productive crop year after year