Ch. 29.2—Plant Diversity I: How Plants Colonized Land Flashcards
Mosses and other nonvascular
plants have life cycles dominated by _______ phase.
-Gametophyte.
In all three bryophyte phyla, gametophytes are larger and longer-living than ________.
-Sporophytes.
A spore germinates into a gametophyte composed of
a _______ and gamete-producing ________.
- Protonema.
- Gametophore.
______: anchor gametophytes to substrate
-Rhizoids.
A sporophyte consists of a foot, a ____ (stalk), and a sporangium, also called a _______, which
discharges spores through a peristome
- Seta.
- Capsule.
Hornwort and moss sporophytes have stomata; _______ do not.
-Liverworts.
________ are capable of inhabiting diverse and sometimes extreme environments, but are especially common in moist forests and wetlands; they also help retain Nitrogen (N) in the soil.
-Mosses.