And it points to a healthy ecosystem for developers on iOS devices.

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The question is whether this is a healthy ecosystem.

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Any marine biologist will tell you that a healthy shark population equals a healthy marine ecosystem.

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If they are present and healthy, there is a good chance that the entire ecosystem is healthy.

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These connected patches were still not as healthy after six months as the unsullied moss, but they did far better than isolated islands a result that supports the notion that population exchange is necessary to keep an ecosystem healthy.

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The ecosystem is returning to a more healthy, natural state.

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