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Life Cycle of FernBy: Alyssa Denise R.Vicera
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Word Box
Give the definition of the following words:
1. Fertilization
2. Zygote
3. Meiosis
4. Embryo
5. Mitosis
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Alternation of Generations
It is also known as alternation of phases or metagenesis. This is the cycle of reproduction in which a haploid gametophyte alternates with a diploid sporophyte.
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Words To Remember
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Sorus
It is the cluster of sporangia.
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Sporangium/Sporangia
It is an enclosure in
which spores are formed.
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Gametophyte (Prothallus)
It is the haploid, multicellular phase of plants and algae that undergo
alternation of generations, with each of its cells containing
only a single set of
chromosomes.
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Sporophyte
It is the diploid form of plants that have alternation of generations. It develops from a zygote and produces asexual spores.
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Rhizoids
These are thread-like growths from the base or bottom of a plant,
found mainly in lower
groups such as algae,
fungi, bryophytes and
pteridophytes, that
functions like roots
of higher plants.
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Antheridium
It is a haploid structure or organ producing and containing male gametes called sperm.
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Archegonium
It is a multicellular structure or organ of the gametophyte phase of certain plants, producing and containing the ovum or female gamete.
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The Life Cycle
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