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The top documents tagged [bya earth]
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Relative Time. Relative Dating Relative dating – events are placed in a sequence, but actual occurance dates are unknown. Who is older, Mr. Kopp or Justin
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Time- a limited period or interval, as between two successive events. Seconds Minutes Hours Days Years
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Lecture Notes – Geologic Eras. Geologic Timescale The geologic timetable is divided into 4 major eras: The oldest era is called the Pre-Cambrian Era
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Bacterial Evolution First living cells were prokaryotes Single celled, NO NUCLEUS Change in Earths atmosphere 1 st living organism Archeobacteria
218 views
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Scientific Classification What’s In a Name??. What are some ways you are classified? gender gender age age social security number social security number
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Recording natural history. Break-down of time Different periods of Earth’s history are broken into periods of time,just like a year is broken into months,
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1 Billion Years of PNW Geology in 10 (text) Slides or Less
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EVOLUTION! Many misconceptions All that it means= LIVING THINGS CHANGE OVER TIME
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CH 25 ~ HISTORY OF LIFE ON EARTH. The Origin of Life 1 st fossil evidence 3.5 BYA (Earth ~4.6 BY old) 4 stages 1 – abiotic synthesis of organic
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Origin of Life
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The Quick Story
20 views