Procedure
Divide students into cooperative study groups. Groups are to decide on an ecosystem such a forest, desert, lake,
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mountain, pond, etc. The students will list living and non-living factors that are associated with that ecosystem, for example, in a desert living factors include sand, hot temperature, etc. Each group should list at least ten (10) living and five (5) non-living components. Students should then think out ways all of these factors interact and describe at least two relationships for each of the following types of interactions.
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