title: The effects of some physical and biotic environments on heterosis of direct and associate genotypes in Drosophila melanogaster.
mesh_terms: D000818:Animals; D001835:Body Weight; D004331:Drosophila melanogaster; D004777:Environment; D005260:Female; D005838:Genotype; D006823:Hybrid Vigor; D006824:Hybridization, Genetic; D007814:Larva; D008297:Male; D011156:Population Density; D013696:Temperature