This Prehistoric Reptiles Crest Will Leave You Speechless

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· the prehistoric era encompasses a vast span of human history before the advent of written records. · prehistory refers to the period of time before the advent of written records or documented history. Prehistory, also called pre-literary history, [1] is the period of human history between the first known use of stone tools by hominins c. How to use prehistoric in a sentence. · for roughly 2. 5 million years, humans lived on earth without leaving a written record of their lives—but they left behind other kinds of remains and artifacts. It encompasses the vast span of time during which humans and their ancestors lived without leaving written accounts of their activities and events. The meaning of prehistoric is of, relating to, or existing in times antedating written history. It is divided into several key periods, each marked by significant developments in technology, culture, and society.