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Extinction is defined as the end of existence of a group of organisms, caused by their inability to adapt to changing environmental conditions. Throughout the existence of our planet there have been large amounts of species extinctions. For instance, the dodo, a species of flightless pigeon formerly living on the island of Mauritius, became extinct in 1665. About 10,000 to 12,000 years ago, the most of the woolly mammoths and the last of the mastodons, both members of …

…whenever the time period, entire groups of organisms disappear and entirely new groups rise to take their place. This trend of mass extinctions seems inevitable. Throughout the existence of life on earth there have been six known mass extinctions that tremendously impacted the entire planet. If we as a plant continue to follow in the devastating foot steps of our ancestors it is exceedingly likely that we, the human race will be next to go.