Community ecology homework shortest answer if possible

label Environmental Science
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1.      When goats were introduced to an island off the California coast, the goats inhabited the same areas and ate the same plants as the native deer. The deer population dwindled and finally

 

disappeared. This is an example of _________________________________________.

Apr 14th, 2015

This is an example of multiple things. Natural selection is one. When two species feed in the same environment and one survives and the other doesn't, this is natural selection. It is also an example of competition. When two animals compete for a resource, or even if they both just use the resource, this is competition. The goats also must not need as much food to survive, or they must also have a readily available substitute, because otherwise both populations would've decreased, but it wouldn't be likely that one disappeared completely. 
This is also an example of overgrazing.

If you nee help in the future let me know.

May 5th, 2015

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Apr 14th, 2015
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