Another terrier to add to the list of low-cost dog breeds. These guys are gentler and less excitable than most other terriers. If you want minimal grooming and walking, the Glen of Imaal Terrier will be a good fit for you. They are another small dog with minimal shedding making for cheap clean up and low cost grooming.
(plural vestigial structures). ( 1 biology) A structure in an organism that has lost all or most of its original function in the course of evolution, such as human appendixes. 2  Link/Cite. 3  Home. 4  Dictionary Definitions. 5  vestigial-structure.
Vestigial organs/limbs mean that there was an ancestor of the creature that once had non-vestigial, usable organs/limbs. This implys that the creature evolved from something tâ¦hat once needed such organs/limbs to survive, but now the species no longer needs the vestigial organ/limbs and it has lost it's use/size.