sperm (n) egg (n) spores (n) zygote (2n) haploid (n) diploid (2n) multicellular gametophyte (n)...
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Sperm (n)
Egg (n)
Spores (n)
Zygote (2n)
Haploid (n)
Diploid (2n)
Multicellulargametophyte (n)
Green Algae (Charales)
• nonvascular
• haploid dominant
• homosporous
• motile gametes
• seedless
• water dependent
sporophyte
Egg (n)
Zygote (2n)
Spore (n)
Maturegametophyte (n) Mature
gametophyte (n)
Developingsporophyte
Developinggametophyte
Mosses• nonvascular (mostly)
• haploid dominant
• homosporous
• motile gametes
• seedless
Simple, unbranched sporophyte dependent on gametophyte.
See Fig 29.16
Ferns• vascular
• diploid dominant
• homosporous
• motile gametes
• seedless
Branched sporophyte not dependent on gametophyte at maturity.
reduced, naked... Fig. 29.23
Gymnosperms
• vascular • diploid dominant• heterosporous• nonmotile gametes• naked seeds• not water dependent
Angiosperms
• vascular
• diploid dominant
• heterosporous
• nonmotile gametes
• seeds
• not water dependent
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