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Significance of Understanding Survival Instinct. Understanding and being mindful of how one's behavior is traceable to it's proximate root purpose, i.e. the survial instinct, would enable one to take proactive steps to contribute to one's progress as a human being and humanity as a whole.
Human evolution Human evolution is the lengthy process of change by which people originated from apelike ancestors. Scientific evidence shows that the physical and behavioral traits shared by all people originated from apelike ancestors and evolved over a period of approximately six million years. One of the earliest defining human traits, bipedalism -- the ability to walk on two legs -- evolved over 4 million years ago. Other important human characteristics -- such as a large and complex brain, the ability to make and use tools, and the capacity for language -- developed more recently.