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8th Gr. Voc 30-41
Weeks 7-9
Question | Answer |
---|---|
benthos | organisms that live on or near the ocean bottom |
plankton | tiny organisms that are moved by ocean currents |
nekton | free-swimming ocean organisms that can move independently of currents |
pH | the measure of how acidic or basic a substance is |
turbidity | a measure of how clear water is |
bio-indicators | organisms that are used to assess the health of a water system |
algal bloom | the rapid growth of algae encouraged by too many nutrients in the water |
non-point source pollution | pollution that comes from many places |
remote sensing | the method of gathering information about areas without visiting the area |
global positioning system (GPS) | using satellites to pinpoint locations on Earth |
geographic information system (GIS) | mapmaking software that creates map layers containing different information about an area |
point source pollution | pollution that comes from a single identifiable site |