Pteridophytes Flashcards
1
Q
What type of environment do they prefer
A
these are ferns and horsetails which are two ancient phyla that can grow in a variety of habitats from shady and damp to bright and dry.
2
Q
What don’t they produce
A
just like Bryophytes, they do not produce any fruits or seeds.
3
Q
Why are these plants special
A
the first plants that evolved to successfully colonise dry land and therfore thefirst phyla that have true plant organs such as roots,stemsandleaves
4
Q
What does each label do
A
- Theleaves of ferns consist of manyfronds connected to a leafblade. On each leaflet, there are small brown patches calledsori (singular:sorus) on the lower surface. The sori producespores that are released when mature.
- Rhizome,a horizontal underground plant system that facilitates root and stem growth.
- Theroot system is classified asadventitious– meaning the roots sprout directly from the rhizome.
