Pteridophytes
1. What are the main
representatives of the
pteridophytes? Is this plant
group cryptogamicor
phanerogamic?
2. How different are
pteridophytes from
bryophytes regarding
substance transport?
3. Why are pteridophytes
better adapted to dry land
than bryophytes? Were
pteridophytes always less
abundant than phanerogamic
plants?
4. What is the evolutionary
importance of pteridophytes?
5. What are the main parts of
ferns?
6. What is the type of life
cycle present in
pteridophytes?
7. Why are pteridophytes
more common in humid
places?
8. What is the structure of the
adult fern within which cells
undergoing meiosis can be
found?
9. What is the prothallus of
pteridophytes?
10. How are gametes formed
in the pteridophyte lifecycle,
by mitosis or meiosis? What is
the type of meiosis that occurs
in pteridophytes?
11. What is the lasting form in
pteridophytes, the
gametophyte or the
sporophyte? How can it be
compared to bryophytes?
12. What is xaxim?