Biology Questions and Answers
- What is the lasting form in
pteridophytes, the
gametophyte or the
sporophyte? How can it be
compared to bryophytes?
The lasting fodiploid (2n) sporophyte (the fern itself,rm in pteridophytes is the
for example). In bryophytes the lasting
form is the gametophyte (n).
- What is xaxim?
Most pteridophytes have subterraneousstems parallel to the substrate called
rhizomes. Xaxim is a typpteridophyte with an aerial steme of (^)
generally perpendicular to the soil and
from which huabsorb water from the environmndreds of roots arise toent.
The xaxim stem is used to make flower
pots and other plant supports forgardening (also popularly known as (^)
xaxim).
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