Also, both mosses and ferns show alternation of generation. But,
the dominant phase of the life cycle of mosses is the haploid gametophyte generation, while the dominant phase of the life cycle of ferns is the diploid sporophyte generation
. Therefore, this is another important difference between mosses and ferns.
How is the fern life cycle different from the moss life cycle quizlet?
How are the gametophyte states of a moss and a fern different? How are they same? The gametophyte phases of both plants are photosynthetic. Moss gametophytes are larger than the sporophytes, but
fern gametophytes are smaller than the sporophytes
.
What are differences between alternation of generations in ferns and mosses?
First, all plants undergo an alternation of generations, between a haploid gametophyte stage and a diploid sporophyte stage.
In the most primitive plants, like mosses, the gametophyte is dominant (i.e. it’s big and green). In higher plants like ferns and fern allies, the sporophyte stage is dominant
.
Does a fern have a life cycle?
The life cycle of the fern has two different stages; sporophyte, which releases spores, and gametophyte, which releases gametes
. Gametophyte plants are haploid, sporophyte plants diploid. This type of life cycle is called alternation of generations.
What is the moss life cycle?
The life cycle of a moss, like all plants, is characterized by an alternation of generations.
A diploid generation, called the sporophyte, follows a haploid generation, called the gametophyte, which is in turn followed by the next sporophyte generation
.
Which of the following comparisons between the moss life cycle and fern life cycle are valid?
Which of the following comparisons between the moss life cycle and fern life cycle are valid? –
Mosses have flagellated sperm that need water the reach the female gamete, while the sperm of ferns are unflagellated and are not dependent on water.
Which best describes the different features of plant life cycles?
The different features of the plant cycle can be based described as
zygote is a diploid cell that is produced by fertilization
. Explanation: zygote is formed due to the fusion of the female and male gamets. This is a type of sexual reproduction that takes place in plants.
Do ferns have embryos?
Many gametophytes usually grow in close proximity to each other, and in most ferns and horsetails the sperm of one gametophyte is most likely to fertilize the egg of a different gametophyte.
This fertilized egg develops into an embryo
, which is the beginning of the diploid sporophyte generation.
How do the two alternating generations of the plant life cycle differ?
They differ as follows.
Sporophyte generation is dominant, spore producing generation that produces spores by meiosis. Gametophyte generation is not the dominant generation, it is gamete producing and it produces gametes by mitosis
.
What are the two generations of mosses life cycle?
Similar to plants, the moss lifecycle is completed in two distinct stages –
the gametophyte and the sporophyte
. The term that describes this type of life history is called alternation of heteromorphic generations. In vascular plants the dominant stage of this lifecycle is the diploid generation.
What do the moss life cycle and the fern life cycle have in common?
Both mosses and ferns have
gametophyte and sporophyte stages
in their life cycle.
How do a fern sporophyte and a moss sporophyte differ?
The sporophyte of ferns is differentiated into true leaves, stem, and roots
. In contrast, mosses lack true leaves, stem or roots. Ferns are vascular plants, but mosses are not.
Which phase of the fern life cycle is dominant?
The dominant part of the life cycle, i.e., the plant that is recognized as a fern, represents the
sporophyte generation
. The gametophyte generation includes the phase of the life cycle between the formation of spores by meiosis and fertilization and formation of the zygote.
What feature of the moss life cycle differs from the life cycle of other land plants?
All bryophytes have a dominant gametophyte stage in their life cycle. During this stage, the plant is haploid and the sex organs that produce the gametes are developed. Bryophytes are unique compared to many other plant species in that
they remain in this stage for long periods
.
What is the first life cycle of a moss?
The life cycle of most mosses begins with
the release of spores from a capsule
, which opens when a small, lidlike structure, called the operculum, degenerates. A single spore germinates to form a branched, filamentous protonema, from which a leafy gametophyte develops.
Which of the following comparisons between the moss life cycle and fern life cycle are valid quizlet?
Which of the following comparisons between the moss life cycle and fern life cycle are valid? –
The sporophyte generation is smaller than the gametophyte generation in mosses, but the sporophyte generation is much larger than the gametophyte generation in ferns.
How do a fern sporophyte and a moss sporophyte differ quizlet?
The fern sporophyte is structurally more complex than the moss sporophyte
, having vascular tissue and well-differentiated roots, stems, and leaves. The gametophyte, however, lacks the vascular tissue found in the sporophyte. Life cycle of a typical fern.
How are ferns and mosses alike quizlet?
Ferns and mosses are alike in one way:
both reproduce by spores instead of seeds
. However, ferns are different from mosses because they have vascular tissue that distributes water and nutritions to all plant cells.
Which two statements best describe fertilization and meiosis in the life cycle of plants?
Answer:
Fertilization produces a zygote, and meiosis produces haploid spores
. Fertilization takes place after haploid gametes have formed and combined with one another; the result of fertilization is a zygote. The correct answer is III.
Which is a feature of the life cycle of flowering seed plants?
feature of the life cycle of flowering seed plants, but not a feature of the life cycle of nonflowering seed plant is
insect pollination
. Explanation: the insects are a source of pollination and helps the plant in the transfer of the Pollen Grain from the anther to Stigma of the flower.
Which statement best describes the flower based on its physical characteristics?
The statement that best describes the flower based on its physical characteristics is “
The tulip plant is categorized as a monocot
.” Monocots are plants the bears’ flowers whose seeds regularly contain just a single embryonic leaf or cotyledon.
Do ferns have sperm?
The sex organs of ferns are of two types.
The sperm-producing organ, the antheridium, consists of a jacket of sterile cells with sperm-producing cells inside
. Antheridia may be sunken (as in the families Ophioglossaceae and Marattiaceae) or protruding.
Are spores male or female?
Heterosporous plants, such as seed plants, spikemosses, quillworts, and ferns of the order Salviniales produce spores of two different sizes:
the larger spore (megaspore) in effect functioning as a “female” spore and the smaller (microspore) functioning as a “male”
.
Are there male and female ferns?
Unlike most flowering plants,
individual ferns are either male or female — not both
. Their sex doesn’t become fixed until after germination, in their early growth stages.
