Biology Questions and Answers
The fecundation in these plants is
independent from water. gametophytes however are entirThe (^) ely
dependent on the sporophyte (the adult
plant) for nutrition and hydration.
- How are the gymnosperm
seeds formed? What are the
ploidies of the structures that
compose the seeds?
Their seeds are formed from
differentiationthe female strobiles (con of the megasporangia ines). After an
oosphere is fecundated the female
gametophyte oprimary endosperm (nutritiveriginates the haploid (n) tissue
that covers the embryo) and the
covering of the megasporaninto the diploid (2n) seed shell.gium turns
http://www.biology-questions-and-answers.com