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marine invertebrates

Mark Siddall mes at vims.edu
Sat Jun 22 09:52:51 EST 1996

Julie Lynne Gauley wrote:
> how is malaria related to poriferans? are trichocysts analogous or
> homologous to nematocysts?

This is a very odd set of questions.
Malaria is disease cause by Plasmodium species.
Plasmodium species are Apicomplexans.
They are most closely related to dinoflagellates and then to ciliates.
They have no particular relationship to sponges.
Apicomplexans have rhoptries and micronemes that are probably 
homologues of dinoflagellate trichocysts.
Trichocysts are not homologues of nematocysts.


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