Evolution of a system with a relatively late (21 Myr) instability among the giant planets. Each panel shows a snapshot in time of orbital eccentricity vs. semi-major axis for all particles; vertical bars denote sin(i) for terrestrial bodies with M_p > 0.2   M_⊕ and i > 10°. The particle size is proportional to the mass^1/3, but giant planets (large black circles) are not on this scale. Colors denote water content, assuming a Solar System-like initial distribution (Raymond et al. 2004). The surviving terrestrial planet has a mass of 0.72 M_⊕, a stable orbit within the habitable zone (semimajor axis of 0.96 AU), and a high eccentricity and inclination (and large oscillations in these quantities). A movie of this simulation is available in the electronic edition of the Journal.