Explain the Importance of Accurate Dating to Human Evolution and Describe

question 39

Essay

Explain the importance of accurate dating to human evolution and describe the differences between relative and chronometric (absolute)dating techniques.  Give an example of each type discussed in the text.

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Definitions:

Terrestrial Plants

Plants that grow on land, as opposed to aquatic (water-based) or epiphytic (growing on other plants) plants.

Primitive Atmosphere

The early atmosphere of Earth, which was very different in composition from the current one, possibly composed of gases such as methane, ammonia, and water vapor.

Photosynthetic Bacteria

Bacteria that are capable of producing their own food through the process of photosynthesis.

Oxygen

A chemical element, represented by the symbol O, essential for life as it is a major component of air and water, supporting combustion and respiration.