Tree of Life poster It shows how over 250 common plants, animals and microbes by biologists into domains, kingdoms, phyla, orders, families and genera. It also shows where each group fits into the evolutionary history of life according to the most up-to-date genetic research.
Carbon dating or Radio carbon dating method is used to estimate the age of organic remains from archaeological sites. It is also used to determine ages of rocks, plants, trees, etc. Read more about the Carbon Cycle here http://mocomi.com/carbon-cycle/