The term extinction is used to mean end of an organism of group of organisms. The most common cause of extinction is inability of that particular organism to cope with competition from other creatures. However, destruction of habitats and toxic pollution also lead to extinction.
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Extinction refers to the total elimination of a species. Extinction can be caused due to habitat destruction, genetic pollution, disease, and global warming.
An extinction (level) event (also known as a mass extinction or biotic crisis) is a widespread and rapid decrease in the amount of life on Earth. Such an event is identified by a sharp change in the...