Biology Unit 4 Human populations 2.0 / 5 based on 1 rating ? BiologyA2/A-levelAQA Created by: Jessica CluleyCreated on: 11-01-13 12:39 Birth rate (number of births in a particular year/total population in year)x1000 1 of 7 Death rate (number of deaths in a particular year/total population in year)x1000 2 of 7 population growth rate (births+immigration)-(deaths+emigration) 3 of 7 Constant population B+I=D+E 4 of 7 Increasing population B+I>D+E 5 of 7 Population growth rate birth rate - death rate 6 of 7 Percentage growth rate (change in population/population at start)x100 7 of 7
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