ERS120H5 Lecture 2: ERS120 assignment#01
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#1000512607: a synapsid known as lystrosaurus appears in these sediments. The death of synapsids creates an opportunity for other survivors occupy vacant niches. They would have spread around the planet, then rained down on land and sea. b) australia and antarctica. c) it would be greater than many times greater than a nuclear explosion. You"d feel a shudder, even though you had been standing a few hundred miles from ground zero. d) the atmosphere would be think. Atmosphere-clouds of noxious gases would billow in and block out the sun for months. Temperatures would drop acid snow and rain would fall. The food chain would be change: the lack of ice caps during the late permian led to the stagnation. Usually temperature differences between polar and equatorial waters make convective currents. If there are no any currents, anoxic water could spill into shallow water, then sea level rose and destroying marine life.
