"James O. McInerney PhD" <j.mcinerney at nhm.ac.uk> writes:
>Jonathan Badger wrote:
>>>====some stuff deleted=====
>> clearly at the very least
>> protists with mitrochrondia and those without arose from a different
>> evolutionary event.
>Ooooooh, careful. Not to get pedantic, but there are protists that have
>almost certainly secondarily lost their mitochondria (or mitochondrion
>endosymbiont, perhaps, to be more correct). So, possesion of a
>mitochondrion is not a true synapomorphy (in fact some yeast species
>don't have mitochondria either).
So you are saying that protists with a non-mitochondrial plastid, had
mitochondria, lost them, did perfectly fine without any plastids for
a while, and *then* picked up non-mitochondrial plastids at a later