See also. 1  Taxon, a population of organisms that a taxonomist adjudges to be a unit. 2  Philosophical language. 3  Classification (disambiguation) 4  Categorization, the process of dividing things into groups. 5  Ontology (information science), formal representation of knowledge as a set of concepts within a domain.
Recycling saves energy. Using recycled material when making plastics and paper uses less energy than producing them from virgin, new materials. Recycling reduces pollution.Recycling reduces the amount of waste put into landfills. Landfills are potentially hazardous due to the concentration of non-biodegradable items that slowly leach toxic chemicals into the surrounding garbage in the landfill.ecycling saves energy. Using recycled material when making plastics and paper uses less energy than producing them from virgin, new materials. Recycling reduces pollution.
Effects of Pollution. 1  Impure air can kill many organisms including human beings. 2  Pollution can cause heart disease, throat inflammation, respiratory disease, congestion, and chest pain,. Water pollution cause due to contamination or drinking water by untreated sewage cause about 14,000 deaths per day.