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The functiоnаl bаlаnce hypоthesis suggests that plants put mоre biomass into the structure that is acquiring the most limited resource. We can split plants into roots (for acquiring nitrogen and nutrients) and shoots (for acquiring carbon through photosynthesis). Given what you know about the environmental conditions in urban areas, do you think a native grass planted in an urban area would put more energy into roots or shoots? Be sure to justify your response (don't just say roots or shoots).