A quantitative method for analysing competition where individuals cannot be identified.
D000704:Analysis of Variance; D000818:Animals; D003163:Competitive Behavior; D004331:Drosophila melanogaster; D005260:Female; D005824:Genetics, Behavioral; D005838:Genotype; D006120:Grooming; D008722:Methods; D012919:Social Behavior; D013037:Spatial Behavior; D013045:Species Specificity