Understanding through Discussion

Welcome! You are not logged in. [ Login ]
EvC Forum active members: 86 (8985 total)
46 online now:
AZPaul3, jar, Pollux (3 members, 43 visitors)
Newest Member: Jerry Johnson
Post Volume: Total: 877,781 Year: 9,529/23,288 Month: 544/1,544 Week: 258/561 Day: 46/38 Hour: 0/2

Thread  Details

Email This Thread
Newer Topic | Older Topic
Author Topic:   Definition of Species
New Cat's Eye
Inactive Member

Message 60 of 450 (540856)
12-29-2009 2:33 PM
Reply to: Message 59 by herebedragons
12-29-2009 2:14 PM

Re: Speciation discussion
What I would be interested in learning more about is a mosquito that has developed a variation in it's sexorgans that will not allow it to mate with it's parent population. I couldn't remember what the name of it was nor where I saw reference to it.

This made me recall another example that you might be interested in reading about.

In short, there was a species of snail where the ones with right-handed spiralled shells were physically unable to mate with another with a left-handed spiralled shells. Scientists figured out that the handedness of the sprial came down to one gene and they could control it. I think they artificially caused a speciation even by genetically engineering a bunch of left-handed ones, or something like that....

you can read about it here:


and here:


The main reason I joined this forum is to learn about the reasons that scientists accept evolution.

This is a great site:


This message is a reply to:
 Message 59 by herebedragons, posted 12-29-2009 2:14 PM herebedragons has not yet responded

New Cat's Eye
Inactive Member

Message 444 of 450 (653395)
02-20-2012 4:15 PM
Reply to: Message 443 by Big_Al35
02-20-2012 3:49 PM

Re: Hyperspeciation?
Ok, so Robert has supplied evidence and Huntard has countered with evidence too.

That's not really what people mean by "evidence"...

At least, it has to support or counter a claim. Mentioning that a book exists is not supplying evidence.

This message is a reply to:
 Message 443 by Big_Al35, posted 02-20-2012 3:49 PM Big_Al35 has not yet responded

Newer Topic | Older Topic
Jump to:

Copyright 2001-2018 by EvC Forum, All Rights Reserved

™ Version 4.0 Beta
Innovative software from Qwixotic © 2020