plant lifecycles

Information about plant lifecycles

Published on December 28, 2007

Author: Mee12

Source: authorstream.com

Content

Green Algae (Charales):  Sperm (n) Egg (n) Spores (n) Zygote (2n) Haploid (n) Diploid (2n) Multicellular gametophyte (n) Green Algae (Charales) nonvascular haploid dominant homosporous motile gametes seedless water dependent Mosses:  Mosses nonvascular (mostly) haploid dominant homosporous motile gametes seedless Simple, unbranched sporophyte dependent on gametophyte. See Fig 29.16 Ferns:  Ferns vascular diploid dominant homosporous motile gametes seedless Branched sporophyte not dependent on gametophyte at maturity. Fig. 29.23 Gymnosperms:  Gymnosperms vascular diploid dominant heterosporous nonmotile gametes naked seeds not water dependent Angiosperms:  Angiosperms vascular diploid dominant heterosporous nonmotile gametes seeds not water dependent

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