[Comparison of morphological differences in lower and higher groups of the same phylogenetic stock].
D000828:Animal Population Groups; D000818:Animals; D001181:Arthropods; D005075:Biological Evolution; D001717:Birds; D006376:Helminths; D007313:Insecta; D008322:Mammals
Sravnenie morfologicheskikh razlichiĭ v nizshikh i vysshikh gruppakh odnogo filogeneticheskogo stvola.