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Ch 3 Vocabulary Terms

Teacher: Mr.Dinardo
Across
Outbreaks of desiese that affect an exceptionaly high portion of a population and occors over a very large geographic area.
Biological approach to monitoring an ecosystems health.
Disorder of the lungs in which airways tend to constrict resulting in episodes of breathlessness wheezing, coughing, and tightness of the chest.
The scientific study of interactions between organisms and their environments.
Pollutants that are carried far from their sources by rain and melting snow and eventually deposited in soil or into fresh water and groundwater systems.
Wastewater from factories and refineries that is released directly into urban water supplies.
Down
Contaminants that are discharged or emitted from an identifiable source.
Very tiny pathogens or organisms such as protists, bacterias, or viruses that cause desiese.
Polluted water that contains human waste, garbage, and other household waste water.
Variety of living organisms on Earth.
Reaction by the body to a foreign substance that in similar ammounts and circumstances is harmless to most other people.