How have gametophyte and sporophyte switched roles of host and parasite?

Subject: How have gametophyte and sporophyte switched roles of host and parasite?

Date: Sun Mar 7 23:51:00 2004
Posted by Gio
Grade level: undergrad School: University of Toronto
City: Toronto State/Province: Ontario Country: Canada
Area of science: Evolution
ID: 1078725060.Ev

Message:


It has been said that in the evolutionary history of plants, gametophyte and 
sporophyte have switched roles of host and parasite...Can you please explain 
what is meant by this statement? Thank you!

Re: How have gametophyte and sporophyte switched roles of host and parasite?

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