Table 1. Sample size for each pairwise comparison of the three factors (relatedness, environment and food type) for D. subobscura, D. bifasciata and D. melanogaster antibiotic treated flies (Streptomycin) or not (−).
| D. subobscura |
D. bifasciata |
D. melanogaster |
|||
|---|---|---|---|---|---|
| — | — | Streptomycin | — | Streptomycin | |
| Related | 61 | 157 | 23 | 89 | 68 |
| Unrelated | 65 | 106 | 14 | 69 | 67 |
| Same environment (vial) | 52 | 86 | 11 | 48 | 34 |
| Different environment | 74 | 177 | 26 | 110 | 101 |
| Same food | 93 | 200 | 25 | 101 | 83 |
| Different food | 33 | 63 | 12 | 57 | 52 |