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intergradation
[ in-ter-grey-dey-shuhn ]
noun
- the act or process of intergrading or the state of being intergraded.
- an evolutionary process by which different species of organisms tend to merge through a series of intermediate stages or grades.
Other ˜yÐÄvlog Forms
- ¾±²Ôt±ð°ù·²µ°ù²¹Â·»å²¹î€ƒt¾±´Ç²Ô·²¹±ô adjective
˜yÐÄvlog History and Origins
Origin of intergradation1
Example Sentences
The small size suggests intergradation between the subspecies collinus and eremicoides.
This difference in color suggests intergradation at this place between C. l. microdon that ranged to the northeast, C. l. cagottis to the south, and probably with C. l. impavidus distributed to the west.
The six specimens examined do not present any significant difference in size and shape of the skull from specimens of scottii from Arizona, except that one skull from the Sierra de Tamaulipas is smaller than the others, suggesting intergradation between the subspecies scottii and tropicalis from farther south.
None of the specimens suggests intergradation in color between nivalis and longala, but some are slightly larger than specimens of the former from Veracruz.
The lines between these subspecies are difficult to establish because the zones of intergradation are broad.
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