Plate Tectonics Chart Essay example

619 Words Apr 2nd, 2013 3 Pages
Plate Tectonics Chart
Amanda Wright
GLG 150
February 24, 2013
Karen Hansen

Plate Tectonics Chart 1) How does the motion of the tectonic plates affect the climate?

Climate can be affected by many things. One of the biggest affects may be the motion of the tectonic plates. The Earths plates have been in motion approximately since its beginnings or shortly after, continuously causing climate to change. The Earth’s movement of plates as well as the apparent polar wandering can both play a role in this change. J. Adems thermodynamic meteorologic model traces the evolution of climate from the Triassic time period to the current time period. According to the results of this model “the gross changes of climate in the Northern
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Convergent margins occur when two plates move towards each other. This occurs when an oceanic plate splits or fractures causing one of the fractured pieces to sink and eventually slide under the other plate leading to the development of magma. This is only one of many examples showing how plate movement affects geography. Divergent margins can create large valleys which can eventually creating ocean basins. Transform fault margins or the sliding of the plates past one another can also affect the geography which is clear when considering the San Andreas Fault (Merali & Skinner, 2009). These are just single examples of how plate movement and each of the margins can affect the geography.

3) How does the motion of the tectonic plates affect the distribution of organisms?

The motion of the tectonic plates has shown to affect the distribution of organisms, In fact, it is one of the pieces of evidence that supports the theory of plate tectonics. Fossilized plants and animals have been discovered on various continents which suggests that the continents were once joined together since the ideas that they traveled by wind or water across oceans is highly unlikely. Fossils pertaining to the motion of the tectonic plates are not only found on different continents but are also found within the same continent. For example a fossilized tropical plant found in North America suggests

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