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Life Cycle: Fern

This is a biology project of mine.
by

Caroilne Nochasak

on 24 September 2015

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Transcript of Life Cycle: Fern

New Zealand Fern found in New Zealand
Ferns belong in the kingdom Plantae
The Fern is a member of a group of roughly 12,000 species of
vascular plants
(having water-conducting vessels)
Reproduces through
spores
and have neither flowers nor seeds.
Ferns are in fossil records dating back 350 million years and is known to dominate many environments .
The Fern
Life Cycle
The Sporophyte phase (diploid) Produces Haploid Spores By Meiosis.
A spore grows by mitosis into a gametophite
The gametophite produces gametes by mitosis (often both egg and sperm on the same leaf).
A motile, flagellate sperm fertilized an egg that is attatched to the leaf.
The Fertalized egg is now a diploid zygote and then grows by mitosis into a sporophyte (an adult Fern).
Life Cycle Image
Life Cycle
Ferns are vascular having true leaves (megaphylls).
They differ from seed plants (gymnosperms and angiosperms) in their mode of reproduction—lacking flowers and seeds.
Like other vascular plants, they have a life cycle referred to as alternation of generations, characterized by a diploid sporophytic and a haploid gametophytic phase.
Unlike the gymnosperms and angiosperms, the ferns' gametophyte is a free-living organism.
Presentation by: Caroline Nochasak
The Life of a Fern
Full transcript