The synonymy of Triceratops and Torosaurus cannot be supported, they said, without more convincing intermediate forms than Scannella and Horner initially produced.
Many characters are easily delimited when only a subset of the taxa is examined, i.e. only extreme states are observed, but the boundaries become exceedingly blurred as more taxa are examined and more variation and intermediate forms are encountered.
The C4a-OO(H) intermediate forms more rapidly in the presence of l-Arg, but its decay rate is unchanged.
Furthermore it has been speculated that the monomorphic cells are more similar to the intermediate forms of the pleomorphic cells, a differentiation step in between the LS and SS forms.
However, some organisms exhibit phenotypic plasticity such that two or more discrete alternative phenotypes (without intermediate forms) are produced.
Data requests that relied on post-coordinated clinical concepts, aggregate values of clinical findings, or temporal conditions in their inclusion/exclusion criteria could not be fulfilled using the i2b2 hive alone, and required one or more intermediate data steps in the form of pre- or post-processing, modifications to the hive metadata, etc.
In general, Mivart was more interested in the fact that intermediate forms of traits did not seem to be useful.
A paleontologist is more likely to work with both amphibians and reptiles or with intermediate forms.
And in Darwin's time, 150 years ago, it was vastly more incomplete than it is now, and conspicuously lacked many of the intermediate forms predicted by Darwin's theory.
The ichthyopterygian fossil record is more continuous than that of Sauropterygia (compare Figs. 3 and 5)—thus, we have intermediate forms that illustrate the evolution of fish shape from lizard shape.
