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Home Q & A Board Biology-Related Homework Help Environmental and Conservation Biology
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colleen colleen
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12 years ago
Snow geese can cause changes in the growth of their food plants, either positive or negative depending upon the intensity of grazing. When grazing is most severe, a variety of low-growing moss species become dominant. Why aren’t these moss species dominant when grazing is light? How can grazing alter competitive interactions among these plant species?
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Sunshine ☀ ☼

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12 years ago
Low-growing moss species may not be able to compete for light when taller plants are present. Intensive grazing by geese shortens or eliminates taller vegetation, giving moss, which may not be palatable, a competitive advantage.
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