单词 | phenogram |
释义 | phenogramn. Taxonomy. 1. A diagram representing the character states of a number of phenotypic features of an organism in the form of a bar chart. disused. ΚΠ 1963 R. H. Arnett in Coleopterists' Bull. 17 6 (title) The phenogram, a method of description for studies on Oxacis (Coleoptera, Oedemeridae). 2. A diagram showing phenetic relationships; a dendrogram based on observed similarities and differences between organisms. ΘΚΠ the world > life > biology > biological processes > genetic activity > genetic constitution > [noun] > phenotype > phenetics or phenogram phenetics1963 phenogram1965 1965 E. Mayr in Systematic Zool. 14 81/1 (caption) The phenogram of the pheneticist. 1971 R. E. Blackith & R. A. Rayment Multivariate Morphometrics xxvii. 320 Recently, the disadvantages of the phenogram as a representation of the results of a numerical taxonomic study have become so widely realized that other forms of representation are being sought. 1980 N. Eldredge & J. Cracraft Phylogenetic Patterns & Evol. Process v. 175 Phenograms are branching diagrams depicting the phenetic relationships of the included taxa. 1997 G. S. Helfman et al. Diversity of Fishes ii. 12/1 Graphic representations in phenetics, known as phenograms, look like tennis ladders, with OTUs [= operational taxonomic units] in place of the competitors. This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022). < |
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