lower_plants_questions Flashcards
terristrial life challenges
dessication, support, transport of water and nutrients from ground throughout plant, reproduction
believed to be earliest land plants
Bryophytes
is Bryophyte gametophyte or sporophyte dominant
gametophyte - which is haploid
how do Bryophytes prevent dessication
grow in moist areas, cuticle waxy
how do Bryophytes have support/transport of water/nutrients
small size, omosis/diffusion for transport
how do Bryophytes address reproductive issues with terrestrial life
flagellated sperm
How do lower plants prevent dessication of sperm/eggs during dry times and have them ready for release during moist times?
The Antheridium and Archegonium protective structures
Where are the archegonia located?
undernearth the portion of the archegoniophore that is structured as an umbrella
Phylum Pteridophyta common term
Ferns
Pteridophyte is Sporo/Gametophyte dominant
Sporophyte
What are sori
clusters of sporangia acting as spore cases
Where are sori produced on Pteridophyte
frond backs
What do Pteridophyta spores grow into when in ground
prothallus - which is short-lived and heart-shaped
What do Pteridophyta prothallus contain
antheridium and archegonium
used for the production of Scotch whiskey
Bryophyte Mosses
