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explain and illustrate how the long-term survival of a species depends on resources that may be limited from time to time.


If there is an annual dry season, the organism will adapt by going into estivation (Lungfish) . If its cold then hibernation (Ground Squirrel)If it is that food will be scarace at one time of year, then a layer of fat may be the adaptation (Elk and Deer).

These are just a few examples; there are multitudes more. Please read:

http://en.wikipedia.org/wiki/Estivation

http://en.wikipedia.org/wiki/Hibernation

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