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Nayla Tohme

on 1 July 2013

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Transcript of Filicinophyta

Ferns - Ferns make up the Filicinophyta phylum, also called the Pteridophyta phylum.

- They are non-flowering, vascular plants with a leaf-like structure.

- They represent the second major step in the evolutionary sophistication of plants.

- They are in complexity between the more primitive bryophytes (mosses, liverworts, and hornworts) and the more advanced seed plants. Filicinophyta Nayla Tohme and Lucy Gavin
IB 1 Biology Taxonomy Habitat
The preferred habitat for ferns is an environment with low light and relatively high levels of humidity. They are thus mostly found in tropical forests and woodlands. The greatest variety of species is found in the tropical and subtropical areas from southern Mexico to northern South America. Reproduction There are two phases in a fern's life cycle:

- Gametophyte: Spores (haploid cells) which are later germinated.

- Sporophyte: After fusion of the sperm and the egg nuclei to form an embryo (diploid cell). Importance to Humans - Gardening (decorative purposes).
- Fossil fuels (derive coal, oil and natural gas)
- Food in some cultures.
- Medical treatment (herbalists) Kingdom: Plantae

Phylum: Filicinophyta

Class: Filicopsida

Order: Filicales

Family, Genus, Species: Various Thank You Works used:

"Ferns." The Gale Encyclopedia of Science. Ed. K. Lee Lerner and Brenda Wilmoth Lerner. 4th ed. Detroit: Gale, 2008. Science In Context. Web. 4 June 2013.

Cornfeld, Ari. "Natural Perspective." : Ferns (Filicinophyta). N.p., 21 July 1997. Web. 04 June 2013. <http://www.perspective.com/nature/plantae/ferns.html>.
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