Dr Rafi Ramzan Dar Fossil records from the rockstell us that earth has come into existence around 4.6 billion years ago. In its geological past,the blue planet has witnessed many “Eons”, “Eras”, “Periods” and “Epochs” in which it has given birth not only to enormous landformsbut also infinite lifeforms as well.
Right from the genesis of its oldest rocks up to the development of “Pangaea” and its disintegration into “Lauratia” and “Gondwanaland” followed by subsequent evolution of “Rockies”, “Andes”, “Alps” and mighty “Himalayas”, it has not only modified in its physical landscape but also developedsuitable environment for the evolution of dinosaurs, earliest mammals, fish, birds, amphibians and reptiles alike with time and space. At present, the earth is home to around 8.7 million species of plants and animals.
To one’s surprise, homo sapienstook birth at last of all the species in Holocene epoch around 10 to 12 thousand years ago which can be understood in a far better manner by equating their birth with the last minute of the last day of the last month of the year on a geological time scale. Despite being a recent and minutest mammal in comparison to many of the past mammalian species, it has occupied the topmost slot among all, only because of its superior ecological and intellectual niche. However, from the day one of his origin, he has left no stone unturned in exploring his environment, both immediate as well as at bay.
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