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Land protected. original percent given. doubled amount. Yes, prevented (exp = 0.15). Answer to #1. Answer to #2. collapse to an island state. Need to determine this for question #4. Answer to #3. No, not prevented (exp =0.35).
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Land protected original percent given doubled amount Yes, prevented (exp = 0.15) Answer to #1 Answer to #2 collapse to an island state Need to determine this for question #4 Answer to #3 No, not prevented (exp =0.35) comparing ans #1 to #3 shows the spp gain by preventing island state collapse only comparing ans #1 to #2 shows the spp gained by doubling amount of land However, if you do not prevent the collapse to an island state, spp # will change over time from your ans to #2 to the answer needed in box #4 in the lower right. Hence the comparison you need to make is between box #1 (prevent island state, but original land) and box #4 (double the land, but did not prevent collapse.