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Stomata & Aquatic earthworms!




> From: Bob_Hoesch at mail_fws.gov
> Date: Tue, 13 Jun 95 15:59:31 MST
> Subject: CO2 and Photosynthesis
> 
<snip>
>      
>      I'm confused by your explanation of 3 modes of uptake.  Plants don't 
>      actively "take up" CO2---it passively diffuses through the stomata in the 
>      leaves, so it would seem that the uptake in water or in air would be via 
>      the same mechanism.  Have aquatic plants evolved more efficient strategies 
>      for living in CO2 impoverished environments?  Receptors for CO2 perhaps?  
>      If so I'd love to hear more.  I'm skeptical.
>      
>      Is CO2 taken up by the roots at all?
>
<snip>

Didn't someone mention last week that plants take up CO2 via stomata?


> ------------------------------
> 
> From: spush_h at atc-1s_hac.com
> Date: Tue, 13 Jun 95 18:58:44 PDT
> Subject: Re: substrate flow rate
>
<snip>
> 
> Too bad we don't have aquatic earthworms! ;-)
> 
>  - Steve (just a different email address)
>  

I've heard that you can get Malaysian burrowing snails which seem to do
a similar job to earthworms.

Joanne.