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Sporophyte in Medical News

Evolution of Plant Life Cycle

...e in light of the plants' life cycle patterns. Charophyte algae, liverworts and mosses spend most of the cycle in a free-living gametophyte phase; the sporophyte is a small, short-lived organism that lives on the gametophyte. Vascular plants, on the other hand, spend most of their time as free-living sporophyte...
Sporophyte in Biological Definition

Plant

... gametophyte , and a diploid stage, called the sporophyte . The sporophyte is short-lived and remains dependent on its parent...ansport water throughout the organism. In many the sporophyte acts as a separate individual, while the gametophy...

Plant

... gametophyte , and a diploid stage, called the sporophyte . The sporophyte is short-lived and remains dependent on its parent...ansport water throughout the organism. In many the sporophyte acts as a separate individual, while the gametophy...
Sporophyte in Biological Dictionary

Sporophyte

All land plants, and some algae, have life cycles in which a haploid gametophyte generation alternates with a diploid sporophyte , the generation of a plant or alga that has a double set of chromosomes. A multicellular sporophyte generation or phase is present in the... in certain pla...

Vascular plants

...rge, dominant, ... Vascular plants show a progression of increasing sporophyte dominance from the ... The vascular plants have specialized transporti...ago, with forests ... Vascular plants show a progression of increasing sporophyte dominance from the ... Provides links to USGS information about vascul...

Syngamy

...arly embryonic develop- ment. ... e. Syngamy (fusion of gametes) occurs only in ... e. They undergo meiosis or syngamy , not both. ... a. The sporophyte undergoes syngamy to produce spores. ... At the end of a mitotic cell division, the two daughter ... A. syngamy . B. DNA replication. C. cel...

Stomata

... Stomata are present in the sporophyte generation of all land plant groups except ... Dicotyledons usually have... leaf can be easily determined using ... Stomata are present in the sporophyte generation of all land plant groups except ... Dicotyledons usually have...

Seedless vascular plants

...ants have motile sperms and depend on water for fertilization. ... PHYLA OF SEEDLESS VASCULAR PLANTS ... ... Seedless Vascular Plants . sporophyte stages of seedless vascular plants (Tracheophytes) ... Name one function of the vascular tissue found in these plants . ... These plant...

Oogonia

...nia. Colonization and development of the ... Neurotropin-4 (NT-4) in oogonia . and the presence of its receptor. proteins TrkB ... OOGONIA AND sporophyte PRODUCTION FROM GIANT KELP GAMETOPHYTES ... oogonia per female often led to the production of multiple sporophytes per female. ... In most mamma...

Microsporangium

... plant (life form): Heterosporous life histories; ...divides mitotically to form the embryo, which then develops into the sporophyte. Eventually the sporophyte produces sporangia, which bear sporocytes (meiocytes)... microsporangium n. , pl. -gia . A structure in which microspores are formed. microspora...

Microspore

...pore (biology) ) ...from the parent plant, but rather they germinate into microscopic gametophyte individuals that are entirely dependent upon the sporophyte plant. Gymnosperms and angiosperms form two kinds of spores: microspores,... Click on the first link on a line below to go directly to a page wh...

Megasporangium

...ngium . apex of megasporangium modified to receive microspores ... L. The seed coat and megasporangium develop from tissues of the diploid sporophyte parent. ... M. Within the megasporangium is the haploid female gametophytic ... The megasporangium contains a megasporocyte which divides ...

Megaspore

...ng places at Britannica. Assorted References characteristics ( in spore (biology) ) ...gametophyte individuals that are entirely dependent upon the sporophyte plant. Gymnosperms and angiosperms form two kinds of spores: microspores, which give rise to male gametophytes, and megaspores, which produce... ...
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