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a. A human and the tree share the same environment on campus.

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l. A community of humans in the innovation center the same species as j. and k.

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k. A population of humans the same species as j.

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j. A single organism interacts with the class.

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Z. 4 layers of forest: canopy, understory, shrub layer, and forest floor

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C. animals have lived or passed through this area pertaining to the lawn and river.

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U. Evidence of cellular respiration, seen by the grass which is undergoing photosynthesis.

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G. Secondary succession is taking place seen by the new plants growing beside  the new building.

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S. Evidence that environmental factors have affected an ecosystem, portrayed by the construction debris and materials.

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H. Primary Succession is taking place, which is seen by the construction in the environment.

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Y. Evidence of Decomposition