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368 Mosses liverworts hornworts Bryophytes: Mosses, Liverworts & Hornworts:
(Ch First land plants: Ordovician (510-439) M.Y.A. had some
Said to be “transitional from green algae to vascular plants”. But: diverse, successful modern plants; NOT
'throwbacks'! Оccur worldwide in most habitats. 2nd or 3rd (mosses:12,000 sp.) & 4th (liverworts:
9,000 sp.) largest plant groups.
Evolutionary strategies: Stay small & remain close to water source. Survive (rather than avoid) dehydration. Produce many spores via many small sporophytes
(rather than 1 large one).
(rather Gametophyte retains vegetative role.
Pictures: p. 374, 384, 388; 352, 357, 366).
352, Hornworts: Anthocerophyta
(p. Sporophyte Gametophyte An East Texas Hornwort!
Sporophytes Gametophytes Liverworts: Hepatophyta (P. 373)
(P. A leafy liverwort
Gemma cups for
asexual propagation A thallose liverwort Liverworts: Hepatophyta...
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This document was uploaded on 03/28/2014 for the course BIO 131 at Stephen F Austin State University.
- Spring '14