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Ring-tailed

ring-tailed

(Science: zoology) Having the tail crossed by conspicuous bands of colour.

(Science: zoology) ring-tailed cat, a young golden eagle.


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Microevolution verus Macroevolution

... though, is speciation, and in fact there is a beautiful example of extinction and speciation in a single event, namely an extinction event in a ring species. If a selection of sub-species in the middle of the ring go extinct, by a bolide impact, for example, and the remaining subspecies are ...

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by hackenslash
Thu Mar 06, 2014 8:57 am
 
Forum: Evolution
Topic: Microevolution verus Macroevolution
Replies: 16
Views: 20795

Conflicting results of Gram-Negative unknown

... positive or pigment negative...not quite sure what that means. Has never been discussed in lab 6. Indole test *Negative RESULTS: No cherry red ring on top of liquid layer 7. Citrate test *VERY CONFLICTED ABOUT RESULTS, RESULTS: Positive indicator would be color change of the media from green-ish ...

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by Jrh21854
Sun Dec 01, 2013 8:25 pm
 
Forum: Microbiology
Topic: Conflicting results of Gram-Negative unknown
Replies: 0
Views: 1897

indole test reaction

... i incubated the 5 tubes (with inoculum) at 44.5 degrees and after 24 hrs. i dropped kovacs reagent to the tubes, after a while 1 tube has a red ring while the other tubes has green ring. And then after a while the tube with the red ring suddenly turned greenish..can anybody tell me what happened? ...

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by magandangbutiki
Fri Aug 02, 2013 7:53 am
 
Forum: Microbiology
Topic: indole test reaction
Replies: 0
Views: 685

Re: The smoking gun of the debate: ring species. do they exist?

@ curiouseeker You wrote "i have researched the creation evolution debate extensively.". You claim extensive research yet you call it "creation evolution debate" - perhaps you mean the debate among the lay people but not among professional biologist who publish in peer review jou...

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by RabbitPhilosopher
Wed Jun 19, 2013 9:53 pm
 
Forum: Evolution
Topic: The smoking gun of the debate: ring species. do they exist?
Replies: 4
Views: 2896

Re: The smoking gun of the debate: ring species. do they exist?

Im sory, your answer does not make sense at all to me. i want the proof that reaserch has been done, confirming that the ends of any "ring" cannot breed together. But i cannot find any evidence. all the references i can find are how the morphology changes within a species as it diverges. ...

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by Cat
Sat May 04, 2013 8:02 pm
 
Forum: Evolution
Topic: The smoking gun of the debate: ring species. do they exist?
Replies: 4
Views: 2896
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