sporophyte generation

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UCMP Glossary: Botany
... defined. It includes all green photosynthetic organisms which begin the development of the sporophyte generation within the archegonium. enations -- Flaps of tissue such as those found on psilophytes. ... pteridophyte -- Plant in which the sporophyte generation is the larger phase and in which the gametophyte lives an existence independent of its parent sporophyte. Pteridophytes are almost all vascular ...
www.ucmp.berkeley.edu

Iris Glossary
... to the top Gametophyte -- The generation or part of the life cycle following meiosis, which produces the gametes or germ cells, as contrasted with the sporophyte generation which begins with fertilization and ... grain containing sperms and the megaspore into an embryo sac containing an egg cell. Sporophyte -- The generation or part of the life cycle which begins with fertilization and ends with the ...
worldiris.com

BI 102 Spring 2003
... thus two types of spores. The spores of plants germinate and grow into a haploid generation called gametophytes. Gametophytes eventually produce gametes (egg and sperm) and following fertilization a diploid ... gametophyte. In seed plants and ferns, the embryo eventually matures into a free living, independent sporophyte generation (e.g. an oak tree or a radish plant). The flower is unique to ...
una.edu

Bryophytes
... generation is the predominant and assimilative stage. General Life History (Some variations in the three Divisions) Sperm (n) + Egg (n) | Zygote (2n) Growth by mitosis produces: | Embryo (2n) | Sporophyte ... one egg. After fertilization, the sporophyte grows out of the archegonium, and nutrients for the developing sporophyte are provided by the gametophyte. The sporophyte consists of a foot , anchored ...
scidiv.bcc.ctc.edu

Pteridophytes
... with independent inconspicuous and sort-lived gametophyte (sexual) and conspicuous and dominant sporophyte (asexual) stages. Sporophyte vascular herbs, mostly terrestrial, rupestral or epiphytic, sometime floating, submerged or emergent ... . Free water is required for fertilization and the production of a new generation of plants. There are no marine species. Notes The 'Pteridophyta' is generally ...
www.anbg.gov.au

16.ga
... with another gamete. GAMETOPHYTE: The generation or stage of a plant producing gametes, existing only as a rudimentary structure in seed plants and as distinguished from the sporophyte, or asexual form. GAMOPETALOUS ...
www.botany.com

Phaeophyta
... algae. Often very much branched. Isomorphic alternation of generation, L.c. essentially as above. B. Laminaria - kelp Mature sporophyte with distinct holdfast, stipe & blade. Stipe erect, ... microscopic gametophytes, 1/2 zoosp. - Male gametophyte, 1/2 - female gametophyte syngamy - zygote - sporophyte. (Heteromorphic alt. of gen.) C. Macrocystis - giant kelp. D. Nereocystis E. Postelsia palmiformis ...
www.cs.cuc.edu

Ohio Master Gardener Online Manual - GLOSSARY
... plants with soil or mulch for short periods. Heirloom vegetables - cultivars that were popular a generation or more ago. Herbaceous - a nonwoody plant. Herbicide - an agent that stops plant growth or ... part. Spore - a minute reproductive body produced by primitive organisms, such as ferns and fungi. Sporophyte - the part of a life cycle when the full complement of chromosomes are present. Spreader ...
www.hcs.ohio-state.edu

Seed Plants
... many nonseed plants, the sporophyte is the larger, dominant generation which maintains itself by photosynthesis and nutrient uptake. The gametophyte, however, is greatly reduced and nutritionally dependent on the sporophyte. Seed plants are ...
ncsu.edu

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