intergradation
Americannoun
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the act or process of intergrading or the state of being intergraded.
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an evolutionary process by which different species of organisms tend to merge through a series of intermediate stages or grades.
Other Word Forms
Etymology
Origin of intergradation
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Two specimens from Escalante, Garfield County, are referred to absonus, but they show intergradation with dissimilis.
From The Pocket Gophers (Genus Thomomys) of Utah, Vol. 1 No. 1 Kansas University Publications. by Stephen D. Durrant
The small size suggests intergradation between the subspecies collinus and eremicoides.
From The Recent Mammals of Tamaulipas, Mexico by Ticul Alvarez
But the skull from Miquihuana yielded measurements that suggest intergradation between F. c. stanleyana and F. c. azteca of the western mountains of Tamaulipas.
From The Recent Mammals of Tamaulipas, Mexico by Ticul Alvarez
This relatively greater breadth indicates intergradation with robustus to the west.
From The Pocket Gophers (Genus Thomomys) of Utah, Vol. 1 No. 1 Kansas University Publications. by Stephen D. Durrant
In the deer mouse, Peromyscus maniculatus, the geographic ranges of several pairs of subspecies meet at certain places without intergradation of the two kinds.
From Speciation of the Wandering Shrew by James S. Findley
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