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Which is the dominant phase in the life cycle of liverworts?
- a)Diploid sporophyte
- b)Diploid zygote
- c)Haploid gametophyte
- d)Diploid spores
Correct answer is option 'C'. Can you explain this answer?
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Which is the dominant phase in the life cycle of liverworts?a)Diploid ...
Haploid gametophyte is the dominant phase in the life cycle of liverworts. Diploid sporophyte, diploid zygote and diploid spores are short living intermediary structures that finally result in gametophyte.
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Which is the dominant phase in the life cycle of liverworts?a)Diploid ...
Understanding the Life Cycle of Liverworts
Liverworts are non-vascular plants that exhibit a unique life cycle characterized by two distinct phases: the haploid gametophyte and the diploid sporophyte. The dominant phase in liverworts is the haploid gametophyte.
Haploid Gametophyte Phase
- The gametophyte is the main and most conspicuous phase of the liverwort life cycle.
- It is the stage that is photosynthetic and capable of producing its own food.
- The liverwort gametophyte is a leafy structure (thallus) that can be either leafy or flat.
Diploid Sporophyte Phase
- The sporophyte is dependent on the gametophyte for its nutrition and support.
- It is typically smaller and consists of a stalk and a capsule where spores are produced.
- The sporophyte remains attached to the gametophyte throughout its life cycle.
Reproductive Process
- Liverworts reproduce sexually through gametangia, producing sperm and eggs.
- Fertilization occurs when sperm swims to the egg, forming a diploid zygote.
- The zygote develops into the sporophyte, which eventually produces haploid spores through meiosis.
Conclusion
In summary, the dominant phase in the life cycle of liverworts is the haploid gametophyte. This phase is responsible for the majority of the plant's life and reproductive processes, while the sporophyte plays a supportive and temporary role in the life cycle. Understanding this distinction is crucial for comprehending the biology of bryophytes like liverworts.
Liverworts are non-vascular plants that exhibit a unique life cycle characterized by two distinct phases: the haploid gametophyte and the diploid sporophyte. The dominant phase in liverworts is the haploid gametophyte.
Haploid Gametophyte Phase
- The gametophyte is the main and most conspicuous phase of the liverwort life cycle.
- It is the stage that is photosynthetic and capable of producing its own food.
- The liverwort gametophyte is a leafy structure (thallus) that can be either leafy or flat.
Diploid Sporophyte Phase
- The sporophyte is dependent on the gametophyte for its nutrition and support.
- It is typically smaller and consists of a stalk and a capsule where spores are produced.
- The sporophyte remains attached to the gametophyte throughout its life cycle.
Reproductive Process
- Liverworts reproduce sexually through gametangia, producing sperm and eggs.
- Fertilization occurs when sperm swims to the egg, forming a diploid zygote.
- The zygote develops into the sporophyte, which eventually produces haploid spores through meiosis.
Conclusion
In summary, the dominant phase in the life cycle of liverworts is the haploid gametophyte. This phase is responsible for the majority of the plant's life and reproductive processes, while the sporophyte plays a supportive and temporary role in the life cycle. Understanding this distinction is crucial for comprehending the biology of bryophytes like liverworts.
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Which is the dominant phase in the life cycle of liverworts?a)Diploid sporophyteb)Diploid zygotec)Haploid gametophyted)Diploid sporesCorrect answer is option 'C'. Can you explain this answer?
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