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Filicinae (Ferns), Ernst Haeckel Postcard
by vintagetreasurechestKunstformen der Natur, 1904
The 92nd plate from Ernst Haeckel's Kunstformen der Natur (Art Forms of Nature), showing ferns.
A fern is any one of a group of about 20,000 species of plants classified in the phylum or division Pteridophyta, also known as Filicophyta.
Ferns are vascular plants differing from the more primitive lycophytes by having true leaves (megaphylls). They differ from seed plants (gymnosperms and angiosperms) in their mode of reproduction—lacking flowers and seeds. Like all 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.
Life cycle of a typical fern:
1. A sporophyte (diploid) phase produces haploid spores by meiosis;
2. A spore grows by mitosis into a gametophyte, which typically consists of a photosynthetic prothallus
3. The gametophyte produces gametes (often both sperm and eggs on the same prothallus) by mitosis
4. A mobile, flagellate sperm fertilizes an egg that remains attached to the prothallus
5. The fertilized egg is now a diploid zygote and grows by mitosis into a sporophyte (the typical "fern" plant).
Ernst Heinrich Philipp August Haeckel (February 16, 1834 – August 9, 1919), also written von Haeckel, was an eminent German biologist, naturalist, philosopher, physician, professor and artist who discovered, described and named thousands of new species, mapped a genealogical tree relating all life forms, and coined many terms in biology, including phylum, phylogeny, ecology and the kingdom Protista.
A fern is any one of a group of about 20,000 species of plants classified in the phylum or division Pteridophyta, also known as Filicophyta.
Ferns are vascular plants differing from the more primitive lycophytes by having true leaves (megaphylls). They differ from seed plants (gymnosperms and angiosperms) in their mode of reproduction—lacking flowers and seeds. Like all 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.
Life cycle of a typical fern:
1. A sporophyte (diploid) phase produces haploid spores by meiosis;
2. A spore grows by mitosis into a gametophyte, which typically consists of a photosynthetic prothallus
3. The gametophyte produces gametes (often both sperm and eggs on the same prothallus) by mitosis
4. A mobile, flagellate sperm fertilizes an egg that remains attached to the prothallus
5. The fertilized egg is now a diploid zygote and grows by mitosis into a sporophyte (the typical "fern" plant).
Ernst Heinrich Philipp August Haeckel (February 16, 1834 – August 9, 1919), also written von Haeckel, was an eminent German biologist, naturalist, philosopher, physician, professor and artist who discovered, described and named thousands of new species, mapped a genealogical tree relating all life forms, and coined many terms in biology, including phylum, phylogeny, ecology and the kingdom Protista.
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The 92nd plate from Ernst Haeckel's Kunstformen der Natur (Art Forms of Nature), showing ferns.
A fern is any one of a group of about 20,000 species of plants classified in the phylum or division Pteridophyta, also known as
Filicophyta.
Ferns are vascular plants differing from the more primitive lycophytes by having true leaves (megaphylls). They differ from seed
plants (gymnosperms and angiosperms) in their mode of reproduction—lacking flowers and seeds. Like all 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.
Life cycle of a typical fern:
1. A sporophyte (diploid) phase produces haploid spores by meiosis;
2. A spore grows by mitosis into a gametophyte, which typically consists of a photosynthetic prothallus
3. The gametophyte produces gametes (often both sperm and eggs on the same prothallus) by mitosis
4. A mobile, flagellate sperm fertilizes an egg that remains attached to the prothallus
5. The fertilized egg is now a diploid zygote and grows by mitosis into a sporophyte (the typical "fern" plant).
Ernst Heinrich Philipp August Haeckel (February 16, 1834 – August 9, 1919), also written von Haeckel, was an eminent
German biologist, naturalist, philosopher, physician, professor and artist who discovered, described and named thousands of
new species, mapped a genealogical tree relating all life forms, and coined many terms in biology, including phylum,
phylogeny, ecology and the kingdom Protista.
created by
vintagetreasurechest (7/5/2009 11:44 PM)
The 92nd plate from Ernst Haeckel's Kunstformen der Natur (Art Forms of Nature), showing ferns.
A fern is any one of a group of about 20,000 species of plants classified in the phylum or division Pteridophyta, also known as Filicophyta.
Ferns are vascular plants differing from the more primitive lycophytes by having true leaves (megaphylls). They differ from seed plants (gymnosperms and angiosperms) in their mode of reproduction—lacking flowers and seeds. Like all 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.
Life cycle of a typical fern:
1. A sporophyte (diploid) phase produces haploid spores by meiosis;
2. A spore grows by mitosis into a gametophyte, which typically consists of a photosynthetic prothallus
3. The gametophyte produces gametes (often both sperm and eggs on the same prothallus) by mitosis
4. A mobile, flagellate sperm fertilizes an egg that remains attached to the prothallus
5. The fertilized egg is now a diploid zygote and grows by mitosis into a sporophyte (the typical "fern" plant).
Ernst Heinrich Philipp August Haeckel (February 16, 1834 – August 9, 1919), also written von Haeckel, was an eminent German biologist, naturalist, philosopher, physician, professor and artist who discovered, described and named thousands of new species, mapped a genealogical tree relating all life forms, and coined many terms in biology, including phylum, phylogeny, ecology and the kingdom Protista.
created by
vintagetreasurechest (7/5/2009 11:44 PM)
A fern is any one of a group of about 20,000 species of plants classified in the phylum or division Pteridophyta, also known as Filicophyta.
Ferns are vascular plants differing from the more primitive lycophytes by having true leaves (megaphylls). They differ from seed plants (gymnosperms and angiosperms) in their mode of reproduction—lacking flowers and seeds. Like all 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.
Life cycle of a typical fern:
1. A sporophyte (diploid) phase produces haploid spores by meiosis;
2. A spore grows by mitosis into a gametophyte, which typically consists of a photosynthetic prothallus
3. The gametophyte produces gametes (often both sperm and eggs on the same prothallus) by mitosis
4. A mobile, flagellate sperm fertilizes an egg that remains attached to the prothallus
5. The fertilized egg is now a diploid zygote and grows by mitosis into a sporophyte (the typical "fern" plant).
Ernst Heinrich Philipp August Haeckel (February 16, 1834 – August 9, 1919), also written von Haeckel, was an eminent German biologist, naturalist, philosopher, physician, professor and artist who discovered, described and named thousands of new species, mapped a genealogical tree relating all life forms, and coined many terms in biology, including phylum, phylogeny, ecology and the kingdom Protista.
Comment Wall (showing 20 of 30) ( Add a comment | See all)
IncompleteThoughts said 10 days ago
Lovely and inviting!
pamdicar said 7/26/2009
Very nice collection of ferns! Congrats Vicky, for the TWO awards...adding more stars to the many already there......!!!!!
Zenyaris said 7/11/2009
Love this very much!!!
It will be displayed on my gallery for about one week! More Stars!:)
AbacusArt said 7/11/2009
Many congrats on your TBA!
This is so delightful! I could add almost everything here to my favs! Must have this one!
Zenyaris said 7/10/2009
Am I late here?:) Congrats on your TBA Vicky!!!
This gorgeous design goes straight to my Faves!
Millions of stars!:)
annthrop said 7/7/2009
O__O wow
I can't wait to read the next chapter. Hey btw, nice art! Congratulations!
vintagetreasurechest said 7/6/2009
Oh thank you, Zazzle!
And thanks to everyone who left comments! I have been working on something else and didn't see the TBA until this minute.
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