WebThe main function of rhizoids is to anchor the thallus on the substratum and to absorb water and mineral nutrients from the soil. In Riccia fluitans, the only aquatic species, thallus is long, narrow, ribbon-like and dichotomously branched. Rhizoids and scales are absent (Fig. 8). This species can also grow on soil. WebA telome is defined as “the single-nerved ultimate terminal portion (at base or apex) of a dichotomising axis” i.e., it is the point of the most distal dichotomy to the tip of a branch. The connecting axes between dichotomies are called mesomes (Fig. 7.134). Functionally, telomes are of two types viz., fertile telome and sterile telome.
APOGAMY AND APOSPORY AND PARTHENOGENESIS
WebMar 11, 2024 · Hint: A pteridophyte is a free-sporing vascular plant with xylem and phloem. On the basis of nature and relation of leaf and stem vascular anatomy and position of … WebJan 17, 2024 · 2. Predominant phase is the diploid (sporophyte) with the prominent haploid phase (gametophyte), as in Pteridophyta. This is called the diplo-haplontic life cycle. 3. Meiosis takes place during spore formation (intermediate meiosis). 4. This pattern of the life cycle is present in all Pteridophytes and in some algae like Ectocarpus ... scripture of giving to the poor
Life Cycle of Equisetum Pteridophyta Botany
WebFor example, Selaginella. Megaphylls are the large leaves that some pteridophytes have. For example, fern plants. The main plant bears the sporangia. These bear some leaf-like … WebKingdom Plantae includes green, brown and red algae, liverworts, mosses, ferns and seed plants with or without flowers. They have the following characteristics: They are multicellular organisms with walled and … WebFollowing are the major differences between bryophytes and pteridophytes: Bryophytes are non-vascular plants. Pteridophytes are vascular plants. … scripture of fruit of the spirit