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**Evolution ((Mutation, Mutation is the process in which DNA changes…
**Evolution ((Mutation, Mutation is the process in which DNA changes results in new alleles., Some variations produced by mutation are advantageous for survival and reproduction. , In this way, advantageous mutations are passed to future generations, and new species can be produced.), Evolution is the change in the genetics of a species over time., Adaptive radiation, Extinction, The woolly mammoth, giant kangaroo and giant sloth died out between 45,000 and 10,000 years ago., An elephant’s trunk is an amazing example of evolutionary development. It is a combined nose and upper lip that lengthened as the elephant’s ancestors became taller and their tusks grew bigger. With its heavy head, it needed an easy way to reach the ground, Extinction can occur for many reasons, including the destruction of habitat and the introduction of new species. , The World Wildlife Fund estimates that 10,000 species or sub-species go extinct every year., The woolly mammoth, giant kangaroo and giant sloth died out between 45,000 and 10,000 years ago., Some snakes have hipbones, which shows they once had four legs like lizards, their close cousins., During earth history, millions of species. )