Fern
Fern
A fern is a seedless vascular plant which also does not blossom. The fronds of ferns pop up in situations all over the world, and all told, thousands of forms of plant are categorized within the phylum Pteridophyta, which covers all of the ferns. In addition to developing wild, the fern is also utilized as a decorative plant by human being. Some kinds of fern furnish a source of food, as well. By far the biggest groups of ferns are the leptosporangiate ferns, but ferns as determined here consider fern ally, whisk ferns, marattioid ferns, and ophioglossoid ferns. The term pteridophyte also denotes to ferns.
Life cycle of a distinctive fern:
1. A sporophyte phase develops haploid spores by meiosis.
2. A spore develops by mitosis into a gametophyte, which generally consists of a photosynthetic prothallus.
3. The gametophyte develops gametes by mitosis.
4. A mobile, flagellate sperm fertilizes an egg that remains connected to the prothallus.
5. The fertilized egg is now a diploid zygote and develops by mitosis into a sporophyte.
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