What is a unique life-cycle characteristic of the following phyla/categories:

Bryophytes:
Marchantiophyta (liverworts)
Anthocerotophyta (hornworts)
Bryophyta (mosses)

Pteridophytes:
Monilophyta (whiskferns)
Lycopodiophyta (lycopods)
Sphenophyta (horsetails)
Monoilophyta (true ferns)

Gymnosperms:
Pinophyta (conifers)
Ginkgophyta (ginko)
Cycadophyta (cycads)
Gnetophyta - (desert plants)

Angiosperms:
Monocotyledon (Monocotts)
Dicotyledoneae (Dicotts)

Question

What is a unique life-cycle characteristic  of the following phyla/categories:

Bryophytes:
Marchantiophyta (liverworts)
Anthocerotophyta (hornworts)
Bryophyta (mosses)

Pteridophytes:
Monilophyta (whiskferns)
Lycopodiophyta (lycopods)
Sphenophyta (horsetails)
Monoilophyta (true ferns)

Gymnosperms:
Pinophyta (conifers)
Ginkgophyta (ginko)
Cycadophyta (cycads)
Gnetophyta - (desert plants)

Angiosperms:
Monocotyledon (Monocotts)
Dicotyledoneae (Dicotts)

anonymous · Answer

Example: Liverworts have gamme cups, and antheridiophores / antheridiophores

anonymous · Answer

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anonymous · Answer

can you help me