| 词汇 | clade |
| 释义 | clade noun[ C ] biology specializeduk /kleɪd/ us /kleɪd/ a group of animals or plants consisting of a shared ancestor and everything that comes from it: （动植物的）分支群，进化枝 Some animals appear to have nothing in common, though they are on the same clade.某些动物长得完全不同，虽然属于同一进化枝。 Species & genders breed class cliff edge femaleness genera genus he holotype intergeneric interstrain male order paramecium phylum same-gender she speciesism strain suborder xenotransplantation Examples of cladeclade Two main clades were produced consisting of the botanical varieties and the other clade consisted of wild relatives. Within the clades, ' randomized congregations ' of clones representing different isolates and different geographical origins were identified. Clade 1 was the most homogeneous despite containing the most clones. This is unlikely given the host relations of other members of the clade, but not impossible. These relationships are broadly typical of those suggested by most of the analyses - clades dominated by fishes from just one area. The numbers above each node represent the percentage of the 24 equally parsimonious trees supporting each clade. In the insectivore anamniote clades, strong selective pressures were concentrated on the visual system to detect object size and movement. Hadrocodium and the mammalian crown-group constitute a clade characterized by various diagnostic apomorphies. Reduced-wing or wingless flies are associated with various unrelated clades of bats, seemingly without regard to roosting habits. The challenge in the future will be to match these track types to particular clades of pterosaur. Further collections would be needed to see if further clones from these hosts partitioned into this clade. The resulting alignments were used to construct a phylogenetic tree resolving five major clades. However, all other characters showed numerous homoplastic changes and illustrate an iterative evolutionary scheme within main irregular clades. Its sister clade includes the mammalian taxa, but also some avian schistosomes. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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