week 3 CheckPoint Succession and Natural Selection

week 3 CheckPoint Succession and Natural Selection - years...

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CheckPoint: Succession and Natural Selection When viewing the ecosystem succession in the animation it seems that is was secondary because it was caused by beavers making a damn and having the water build up then causing a chain of reactions that then lead to the current state of the forest. If it was primary it would have been caused by a natural body of water and not the damn. All kinds of things that happen in an ecosystem are linked together and are usually a cause and affect kind of happening. When it comes to the natural selection of the aquatic salamander it is apparent when using Darwin’s theory of natural selection that the salamander has evolved over the
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Unformatted text preview: years in order to adapt to its natural environment or ecosystem. He started with legs and arms but living in a aquatic environment he adapted to a long slender body that allows him to move through the water like an eel. Not having legs and short stub arms makes the salamander more water resistant and allows him to glide through the water with easy and quickness. According to Darwin’s theory all animals must adapt to their ecosystem and environment in order to survive and become a more efficient species that can live with or without certain conditions....
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This note was uploaded on 06/15/2011 for the course MISC 101 taught by Professor All during the Spring '11 term at University of Phoenix.

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week 3 CheckPoint Succession and Natural Selection - years...

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