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Level of Organization IV:
Ecosystems

This level considers all the following units: 
      • Unity and Diversity: A4.1, A4.2
      • Form and Function: B4.1, B4.2
      • Interaction and Interdependence: C4.1, C4.2
      • Continuity and Change: D4.1, D4.2, D4.3

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A4.1 - Evolution and Speciation

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A4.2 - Conservation and Diversity

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B4.1 - Adaptation to Environment

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B4.2 - Ecological Niches

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C4.1 & C4.2 - Pupulations and Communities & Transfer of Energy

Components of an ecosystem and energy transfer from one trophic level to the next.

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D4.1 - Natural Selection

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D4.3 - Climate Change

Climate change and its resounding impacts on different habitats.

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D4.2 - Stability and Change

Habitat disruption and conservation efforts.

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