Species Dorsophila melanogaster Lemna Scenedesmus vacuolatis Mean growth rate (+/-SE Rate of natural Increase (r) Starting# 3 9 2 15 0.2 0.385 0.297 0.232 0.247 -0.002 84.81 -3359.5 78.03 326.36 -4.44 2 0.354 96.59 4,00 3,50 3,00 2,50 2,00 1,50 1,00 0,50 0,00 Treatment 3 Treatment 9 0 1 2 3 Time (weeks) 4 Mean growth rate (+/-SE) Drosophila melanogaster figure 3 2,5 2 1,5 Treatment 2 1 Treatment 15 0,5 0 0 1 2 3 Time (weeks Carrying capacity (k) 4 Mean growth rate (+/-SE) Lemna figure 7,5 7 6,5 6 5,5 5 4,5 4 3,5 3 2,5 2 1,5 1 0,5 0 Treatment 0.2 Treatment 2 0 1 2 (weeks) 3 Time 4 Scenedesmus vacuolatis figure