2009 Oregon State Science Standards 6.2 The related parts within a system interact and change. 6.2L.2 Explain how individual organisms and populations in an ecosystem interact and how changes in populations are related to resources. 6.2L.2.1 Organisms interact as populations. 6.2L.2.2 Different populations interact as communities. 6.2L.2.3 Communities interact with the environment as ecosystems.
7.2 The components and processes within a system interact. 7.2L.2 Explain the processes by which plants and animals obtain energy and materials for growth and metabolism. 7.2L.2.1 Cellular respiration 7.2L.2.3 Photosynthesis 7.2L.2.4 Energy conversion in plant cells
Next Generation Science Standards (NGSS) (based on May, 2012 draft) MS.LS-MEOE Matter and Energy in Organisms and Ecosystems. LS1.C: Organization for Matter and Energy Flow in Organisms. LS2.B: Cycle of Matter and Energy Transfer in Ecosystems. MS.LS-IRE Interdependent Relationships in Ecosystems. LS2.A: Interdependent Relationships in Ecosystems.