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TRUVEO
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ACADEMIC EARTH
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Lecture 28 - Ecological Communities, Evolution, Ecology and Behavior
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ACADEMIC EARTH
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Description:
The idea of ecological communities has changed tremendously over the past forty years. The classical view stated that there were so many different species because evolution packed them tightly into...
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Description:
The idea of ecological communities has changed tremendously over the past forty years. The classical view stated that there were so many different species because evolution packed them tightly into the available niches. The modern view emphasizes the idea of trophic cascades, or top-down control in food chains. This emphasized the importance of predation in ecology, although it downplayed the...
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Date:
Tue, 03 Nov 2009
Tags:
Stephen C Stearns
,
Yale
,
Biology
,
Evolution
,
Ecology and Behavior
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