Seasonal selection as a factor in rotifer cyclomorphosis.
D000818:Animals; D005260:Female; D014644:Genetic Variation; D005828:Genetics, Population; D005838:Genotype; D006376:Helminths; D006605:Hibernation; D010063:Ovum; D010312:Parthenogenesis; D012621:Seasons; D012641:Selection, Genetic; D013696:Temperature