Succession and Natural Selection

Succession and Natural Selection - beavers that this...

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After I have viewed the succession animation on the ecosystem I have concluded that this is to be considered a secondary succession. The animation that I was given to watch showed the process in which the ecosystem has worked over the past 7000 years. It explained what happens when a beaver builds a dam and it prevents the natural flow of a stream and builds all the water up in an area that causes a flood. Over time the built up water causes the trees in the area to die and then the process in which moss and leather leaf over time begin to grow in that area. Eventually the trees will grow back and the process could happen again. This is a secondary succession because it is because of the
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Unformatted text preview: beavers that this happened. The difference between a salamander and an aquatic salamander is that the aquatic salamander has tiny forelimbs and resembles an eel. A regular salamander has four legs and lives near wet lands to maintain their moist texture. In this case the salamander has adapted to its surroundings and evolved into something that now can live in water. Over long periods of time everything evolves to a certain extent. When put into a different environment, in order to survive, you have to slowly change....
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This note was uploaded on 12/17/2010 for the course ACC114 ACC114 taught by Professor Staff during the Spring '10 term at University of Phoenix.

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