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Levels of Organization with the Ecosystem Stimulus and Response Phototropism Geotropism Matter and Energy TEKS introduced this six weeks: *Demonstrate that new substances can be made when two or more substances are chemically combined and compare the properties of the new substance to the original substance (6.7A) *Classify substances by their physical and chemical properties (6.7B) *Define matter and energy (6.8A) *Explain and illustrate the interactions between matter and energy in the water cycle and in the decay of biomass (6.8B) *Describe energy flow in living systems including food chains and food webs (6.8C) *Identify responses in organisms to internal stimuli such as hunger or thirst (6.12A) *Identify responses in organisms to external stimuli such as the presence or absence of heat or light (6.12B) *Identify the components of an ecosystem to which organsisms may respond (6.12C) |
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