Population growth model Notes Population growth Using discrete time steps, which is easier to describe that continuous change, the model for population growth is this: N₁ Try changing the blue numbers, for "r" (rate) and "N0" (start population), below. r: No: Nort Moose: 1.5 House fly: 80 *** 80 Time step (t) (N) Population at end of time step (N₁) 2 0 1 2 3 4 5 6 7 8 9 10 Wolf: 1.2 Z żż ź żż žžžžž ž Cockroach: 40 2 N₁ 160 No 12800 1024000 81920000 6553600000 5.24288E+11 4.1943E+13 3.35544E+15 2.68435E+17 N10 2.14748E+19 N₂ N3 N4 N5 N6 Try these hypothetical "r" values to begin, then try new numbers of your own: N7 N8 N9 Rabbit: 5 Endangered tiger: 0.8 Open the Excel Spreadsheet: ACTIVITY Population Biology Data Analysis Perform data analysis for: Tiger Find the "r" value for tiger. Enter the "r" numerical value in the cell to the right of r: (cell B6). Press ENTER after you enter the "r" value for Tiger. Keep No: the default value of 2. What is the projected population number at No (after 6 generations)? Enter the number below as a numerical value.