[TML] Alien ecologies

[Bruce Johnson]

On Aug 20, 2008, at 10:32 AM, Knapp wrote:

>> Also, what minierals have a purple hue?  Amethyst?  Can that be  
>> broken down and used by living creatures?
>
> Ever eat seaweed? It is sometimes purple. Also there are purple velvet
> plants and purple carrots (green top),
>
> Here is a nice one.
> http://www.flickr.com/photos/suezq1342/2779597968/
>
> google for images: purple plants

However the purple pigments in these plants do not play a role in  
photosynthesis.

-- 
Bruce Johnson
University of Arizona
College of Pharmacy
Information Technology Group

Institutions do not have opinions, merely customs