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Figure 6


Fig. 6. Failure strain and yield strength of mineralized M. californicus vertebrae. (A) Failure strain (%) did not vary with strain rate (P=0.20). (B) Yield strength (MPa) in mineralized vertebrae varied significantly among the strain rates tested here (F3,94=4.729; P<0.01). Yield strength of vertebrae tested at strain rates of 1% s–1 was significantly lower than vertebrae tested at higher strain rates (10% s–1 and 20% s–1).