title: Ecological differences between genotypes in a natural population of Daphnia magna.
mesh_terms: D000483:Alleles; D000818:Animals; D003621:Daphnia / Q000201:enzymology* / Q000502:physiology; D004463:Ecology; D005260:Female; D005787:Gene Frequency; D005828:Genetics, Population; D005838:Genotype; D008291:Malate Dehydrogenase / Q000032:analysis*; D008297:Male; D010063:Ovum / Q000201:enzymology; D010312:Parthenogenesis
chemical_list: D008291:Malate Dehydrogenase