title: Genetic variability in a temperate intertidal phoronid, Phoronopsis viridis.
mesh_terms: D000222:Adaptation, Physiological; D000483:Alleles; D000818:Animals; D005075:Biological Evolution; D004592:Electrophoresis, Starch Gel; D004777:Environment; D004798:Enzymes / Q000032:analysis; D005787:Gene Frequency; D014644:Genetic Variation; D005843:Geography; D006579:Heterozygote; D007178:Inbreeding; D007448:Invertebrates / Q000201:enzymology*; D008433:Mathematics; D011110:Polymorphism, Genetic; D012623:Seawater; D013045:Species Specificity
chemical_list: D004798:Enzymes