Lab 11 Flashcards
(9 cards)
what is the ploidy of microsporangia
2n
what is a microsporophyll
look like leaves, bear microsporangia
the nucellus is apart of the
sporophyte
why is a megasporangiate cone also called an ovulate cone
the cones contain ovules on the upper surface
what does the archegonia contain
egg/ova
differences between ginkgo and pine
gink has fan shaped leaves, pine has needles
ginko haș fleshy big seeds, pine has dry woody scales that have the seeds on them
2 adaptations from seedless ancesotrs
seeds - embryo protection
pollen - water independent fertilization
where does meiosis occur and what does it produce
meiosis occurs in the microspores to produce pollen and megaspores to produce eggs.
what is the gametophyte of a male and female cone
micro- sperm in pollen
mega- egg in ovule
