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The first generation of mosses starts with germination of spores to develop into gametophyte. The male and female gametophytes produce anthridia and archegonia. Motile antherozoids are released from anthridia and make their way to archegonia through water. The egg inside archegonium is fertilized to form the zygote. The zygote develops into a sporophyte, which remain dependent on the gametophyte.
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What generation is dominant in moss?
The dominant generation in mosses is the gametophyte generation. This is the photosynthetic, leafy structure that produces gametes for sexual reproduction. The sporophyte generation in mosses is much smaller and dependent on the gametophyte for nutrients.
Why is it faster to observe genetic effects of radiation on mosses than on plants from other groups?
Mosses have simple genetic structure and shorter generation times, allowing for quicker observation of genetic effects of radiation compared to plants with more complex genetic structures and longer generation times. Additionally, mosses have a higher sensitivity to radiation, making the effects more readily observable.
Which reproductive structure is found in life cycles of mosses and ferns?
Sporangium
How do mosses and club mosses differ?
Unlike true mosses, club mosses have vascular tissue.
Is the gametophyte or sporophyte dominant in mosses?
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What generation is dominant in moss?
The dominant generation in mosses is the gametophyte generation. This is the photosynthetic, leafy structure that produces gametes for sexual reproduction. The sporophyte generation in mosses is much smaller and dependent on the gametophyte for nutrients.
Which generation is the photosynthetic generation?
gametophyte generation
What is the second generation produce in mosses?
Second generation produced in mosses is sporophyte on the gametophytic plant body.
What is dominent generation in the mosses?
Gametophyte
What possesses a spore capsule in mosses?
In mosses, the photosynthetic cell possesses a spore capsule. A good example is the polytrichum which has a capsule with a sterile jacket.
What plants have a dominant gametophyte?
The sporophyte generation is dominant in ferns.
What life cycle components appear only in mosses and ferns?
The gametophyte generation is more prominent and independent in mosses and ferns compared to seed plants. Also, the sporophyte generation in mosses and ferns is not as prominent or long-lived as in seed plants. Finally, mosses and ferns rely on water for fertilization, a characteristic not seen in seed plants.
What trait do ferns have that mosses do not?
Mosses are non-vascular plants whereas ferns are vascular. In ferns Sporophyte is dominant but in mosses gametophyte is dominant generation. Ferns have definite roots but in mosses leaves and roots are mostly false.
What is tracheopytes?
a tracheophyte is a vascular plant which is capable of conducting water, minerals and photosynthetic products through the plant. This includes conifers, gymnosperms, angiosperms, club mosses and ferns.
Why is it faster to observe genetic effects of radiation on mosses than on plants from other groups?
Mosses have simple genetic structure and shorter generation times, allowing for quicker observation of genetic effects of radiation compared to plants with more complex genetic structures and longer generation times. Additionally, mosses have a higher sensitivity to radiation, making the effects more readily observable.
Which reproductive structure is found in life cycles of mosses and ferns?
Sporangium
How do mosses resemble higher plants?
Mosses resemble higher plants in several ways, including their multicellular structure and the presence of photosynthetic tissues, which allow them to capture sunlight for energy. Both groups exhibit a life cycle that includes a dominant sporophyte stage and a gametophyte stage, though mosses primarily exist in the gametophyte form. Additionally, mosses have specialized cells for water and nutrient transport, though these are less advanced than those found in higher plants. Despite these similarities, mosses lack true roots, stems, and leaves, distinguishing them from higher plants.
