Symplesiomorphy - Encyclopedia.com
2018年5月8日 · symplesiomorphy The possession of a character state that is primitive (plesiomorphic) and shared between two or more taxa. Shared possession of a …
plesiomorphy | Encyclopedia.com
For example, vertebrae are found in zebras, cheetahs, and orang-utans, but the common ancestor in which this trait first evolved is so distant that the trait is shared by many other …
Biology: Classification Systems - Encyclopedia.com
A symplesiomorphy is a character common to the whole range, part of the species' shared legacy, although some may display it to a greater extent than others. Conversely, a synapomorphy is …
Phylogeny - Encyclopedia.com
Phylogeny Phylogeny is the inferred evolutionary history of a group of organisms (including microorganisms ). Paleontologists are interested in understanding life through time, not just at …
Stereometry - Encyclopedia.com
stereometry. Art or science of measuring solids. Branch of geometry dealing with solid figures. Stereometric therefore pertains to stereometry or solid geometry.
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