ancestral features造句

例句与造句

1. Some ancestral features of the braincase of " Arizonasaurus " are plesiomorphic for crurotarsans.
2. Adaptation may cause either the gain of a new feature, or the loss of an ancestral feature.
3. As the root represents a hypothetical ancestor, this consequently may carry misleading connotations that the sister group of a more species-rich clade displays ancestral features.
4. The use of tools by apes including chimpanzees and orangutans can be used to argue in favour of tool-use as an ancestral feature of the hominin family.
5. It appears to be an ancestral character for this group, yet other orders generally lack this as an ancestral feature, with the probable exception of Primates ."
6. It's difficult to find ancestral features in a sentence. 用ancestral features造句挺难的
7. Dohrn claimed cyclostomes such as lampreys are degenerate fish as there is no evidence their jawless state is an ancestral feature but is the product of environmental adaptation due to parasitism.
8. Genetic analysis suggests that the Corsican fire salamander ( " Salamandra corsica " ) is the closest related species, and the black-yellow coloration is an ancestral feature of alpine salamanders.
9. This group was named for the presence of a head crest in most known species, though this feature has since been found in more primitive pterosaurs and was probably an ancestral feature for all pterodactyloids.
10. Many other characteristic features are present but their presence varies amongst lineages; one notable ancestral feature which varies is the carapace, which may be absent, reduced or well developed covering the whole cephalothorax.
11. Haeckel and Fritz M黮ler ), " palingenesis " has been used for the exact reproduction of ancestral features by inheritance, as opposed to kenogenesis, in which the inherited characteristics are modified by environment.
12. However, some of these characters might be lost or modified in several lineages, particularly among birds and turtles; it is best to see these characters as the ancestral features that were present in the ancestral saurian.