WebHepaticophyta: Systematics. The liverworts are a group of plants that include about 6,000 to 8,000 species. Liverworts are the only major group of land plants that entirely lack stomata, specialized openings between cells that regulate air flow in and out of the plant.Because of this, the liverworts are believed to be the oldest surviving lineage of plants, with an … WebSep 27, 2002 · Ferns (Pterophyta or Polypodiophyta) Horsetails (Sphenophyta or Equisetophyta) Whisk Ferns (Psilotophyta) Club Mosses (Lycophyta) Sporophyte is …

Which of the following is a dominant phase of pteridophyte? - Veda…

WebJan 24, 2024 · Pteridophyta Life Cycle. Pteridophytes exhibit alternation of generation. The life cycle of Pteridophyte includes an alternation of diploid sporophytic generation with a haploid gametophytic generation.; The sporophytic generation is the dominant phase in the life cycle of Pteridophyta.; The sporophytic generation is diploid, photosynthetic and is … WebThus, the gametophyte stage is dominant in the more primitive (nonvascular) plants , whereas the sporophyte is the dominant phase in the life cycle of higher (i.e., vascular) … jesus\u0027 two great commandments

BIO 112.01 Lab 5 - Wesleyan College

WebA pteridophyte is a vascular plant (with xylem and phloem) that disperses spores.Because pteridophytes produce neither flowers nor seeds, they are sometimes referred to as "cryptogams", meaning that their means of … WebPteridophytes show a true alternation of generations. Here, the dominant sporophyte produces spores through meiosis. The gametophyte generation forms gametes by … WebWith fertilization and, formation of oospore, the sporophytic or diploid generation begins. The New Sporophyte of Equisetum: The oospore passes into an embryo (consisting of stem, root, cotyledon, and foot) which, without any period of rest, continues to grow until the Equisetum plant is established and thus completes the life cycle. It has ... jesus\u0027 teachings in matthew 10