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Old 23-05-2003, 12:20 PM
Cereoid-UR12yo
 
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Default first leaves of plants-- thought of as evol.vestiges or fetus-differences

Archie, your brain is a vestigial "gill slit".

Now I know you haven't a clue when you don't even know what cotyledons are.
Its botany at its basic.
Quick, get thee to a intro to botany book!!!!


Yes, there are certain species that only produce cotyledon leaves and no
more.
If you actually did your homework, you would already know which ones they
are.
Maybe Rinkytink can direct you to a reference? It could happen.



Archimedes Plutonium wrote in message
...
I have made the observation that most every plant when it shoots from
its seed
with its first leaves, that these first leaves are rarely (perhaps
never) the same as
what all the other leaves of this plant matures into. Would it not save
the plant
some energy in its early growing if all the leaves were the same from
birth to
maturity?

Anyway, does anyone know if any plant exists wherein its first leaves
are
no different from any other of its leaves?

And the question I am mostly interested in is whether these first leaf
are an
evolutionary vestiges such as human vestiges of gill slits. So are these
first
leaves vestiges of all plants that can be traced back to some ancestral
first
plant. Or, instead of being evolutionary vestiges, are the first leaves
different
from later leaves as in animals the fetus is different from the later
growing
animal.

What I am trying to reconcile in thought is why would a plant invest
energy in
its first leaves of leaves that are very much different from all later
leaves, when
it probably would be better for the plant if all of its leaves during
its entire lifetime were one and the same type of leaf.

Archimedes Plutonium,
whole entire Universe is just one big atom where dots of the
electron-dot-cloud are galaxies



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