The stalk that arises from the main plant body of a moss plant (phylum Bryophyta) is called the seta and bears a sporangium in a capsule. The capsule is covered by a lid or operculum and contains spores. All these structures; the seta, capsule, spores and operculum are all the components of the full sporophyte of the moss plant.
The sporophytes of the other bryophyte phyla (Hepatophyta and Anthocerotophyta) are similar, consisting of a seta and a spore-containing structure.
Ferns have a dominant sporophyte and a reduced gametophyte. As for moss, it depends on the type. If referring to mosses under the phylum Bryophyta (these are the nonvascular mosses) they have a dominant gametophyte. If referring to mosses under seedless vascular category, such as club mosses in the phylum Lycophyta, these plants have a dominant sporophyte and a reduced gametophyte.
it is a sporophyte
alternation of generation
A reproductive cycle in which a haploid (n) phase (the gametophyte), gives rise to gametes, which after fusion to form a zygote, germinate to produce a diploid (2n) phase (the sporophyte). Spores produced by meiotic division from the sporophyte give rise to new gametophytes, completing the cycle.
Replace the missing part.
Meiosis occurs in the sporophyte.
The seta and capsule are known as the sporophyte generation because they are structures that produce spores through meiosis, which will ultimately give rise to the gametophyte generation. The sporophyte generation is diploid, meaning it contains two sets of chromosomes, whereas the gametophyte generation is haploid, containing one set of chromosomes.
Bryophytes or Moss plants life cycle goes with two stages. The two stages are the haploid (gametophyte) and the diploid (sporophyte) which is the dominant stage.
sporophyte
A pine tree is generally a Sporophyte - a multicellular, diploid, spore-producing organism. However, the created spores are haploid, and thus begin the gametophyte phase, in which the microspores (pollen) and megaspores (female receptors), will combine back into a gamete, and begin the sporophyte stage again. So, the pine tree is mostly sporophyte, but has very small gametophyte parts that create gametes. They're very small, but they're there.
The common name for a bryophyte is moss.
The maple trees that you see are in the sporophyte stage of the plant life cycle. A sporophyte will produce spores which then develop into gametophytes. So, yes, maple trees have spores (if you are talking about the sporophyte stage). The sporophyte stage is part of the life cycle of all land plants.
The maple trees that you see are in the sporophyte stage of the plant life cycle. A sporophyte will produce spores which then develop into gametophytes. So, yes, maple trees have spores (if you are talking about the sporophyte stage). The sporophyte stage is part of the life cycle of all land plants.
Meiosis in bryophytes occurs in specialized structures called sporangia. These sporangia house the cells that undergo meiosis to produce spores, which are later dispersed and germinate into the gametophyte stage of the bryophyte life cycle.
Bacteria, arising in the Precambrian followed by bryophytes, the simplest land plants of the Silurian and Devonian followed by pteridophytes (ferns), more advanded than bryophytes due to the acquisition of vascular tissue and sporophyte dominance.
The part of hornworts that resembles the horn of an animal is the sporophyte. This is the part of the plant that releases spores.
Depends on the plant: If it is a bryophyte, most of the time is spent in the gametophyte stage, until a sperm and egg fertilize. Once that happens the plant goes to the sporophyte stage, where spores are released to create more gametophytes. In seedless vascular plants, such as ferns, the plant still starts in the gametophyte (until fertilization) but the majority of the cycle is spent in the sporophyte stage (release spores to create new gametophytes). Seed bearing vascular plants have both stages at the same time but the sporophyte stage is not seen, all takes place in the flower.