On 22-5-2012 10:02, Invisible wrote:
>>> In particular, the purpose of leaves is to absorb as much sunlight as
>>> possible. Given that task, you would /expect/ leaves to evolve to be
>>> huge flat sheets.
>>
>> Huge flat sheets would mean that only the outher layers get sunlight.
>> Inner branches might just as well commit suicide immediately.
>
> Exhibit A:
> http://momsrecipes.nielsonpi.com/images113/Rhubarb3.jpg
>
> Exhibit B:
> http://i.pbase.com/u38/kayakbiker/upload/31926440.BananaLeafUnbrella.jpg
>
> Exhibit C:
> http://www.vagabondjourney.com/2008-1/08-2208-large-leaf-costa-rica.jpg
>
> Clearly big leaves are not a suicidal adaptation...

Did you notice the branches on the inside with the large leaves? Me 
neither.


-- 
tip: do not run in an unknown place when it is too dark to see the 
floor, unless you prefer to not use uppercase.

Post a reply to this message