Dictionary » V » Vestigial

Vestigial

vestigial

refers to an organ or part (for example, the human appendix) which is greatly reduced from the original ancestral form and is no longer functional or is of reduced or altered function.

Vestigial structures provide a clue to the evolutionary history of a species because they are remnants of structures found in the ancestral species.


Please contribute to this project, if you have more information about this term feel free to edit this page



Results from our forum


Speciation and Evolution

Yes, I think it is A, too. If vestigial structures are compared with functioning structures today, it does not make sense because the two would be different.

See entire post
by 1357
Mon Nov 25, 2013 6:31 pm
 
Forum: Evolution
Topic: Speciation and Evolution
Replies: 6
Views: 4479

Speciation and Evolution

... D looks the best to me 2) I'm deciding between A and B as well. If that's only-one-right-answer question, I'd go with A, because B says to compare vestigial structures in fossil and compare with functional structures in living organisms. However, it should be rather the other way, first (in the ...

See entire post
by JackBean
Mon Nov 25, 2013 12:39 pm
 
Forum: Evolution
Topic: Speciation and Evolution
Replies: 6
Views: 4479

Speciation and Evolution

... A. to compare structures in the fossil with homologous structures in other vertebrates. B. to look for vestigial structures in the fossil and compare them with functioning structures in living organisms. C. to examine the fossil for evidence of the stages ...

See entire post
by 1357
Mon Nov 25, 2013 4:01 am
 
Forum: Evolution
Topic: Speciation and Evolution
Replies: 6
Views: 4479

Re:

... to the domain. However, the unused translation equipment may have been obtained through horizontal gene transfer, in which case they are not vestigial structures. Sumanth001: ... and one group of viruses (mimiviruses) show even their own metabolism outside a host. JackBean: Where did you ...

See entire post
by wildfunguy
Sun Sep 29, 2013 4:16 pm
 
Forum: Microbiology
Topic: Living or not? (viruses,viroids and prions).
Replies: 15
Views: 9694

Re: A little help

... play a role in mutations other than natural selection? Environment may cause mutations - e.g., UV light, radiation, etc. cause DNA to break. 4) Vestigial structures can have important functions? or not? Vestigial structures, by definition, do not have function (if a function is discovered, then ...

See entire post
by thoffnagle
Thu Jun 27, 2013 6:36 pm
 
Forum: Evolution
Topic: A little help
Replies: 5
Views: 1917
View all matching forum results

This page was last modified 22:22, 14 December 2009. This page has been accessed 186,600 times. 
What links here | Related changes | Permanent link