Webb22 jan. 2024 · (a) A protonema is a thread-like chain of cells that forms the first stage (the haploid phase) of the life cycle of mosses. Webb20 jan. 2024 · 1. Chiorophyceae contains chlorophyll a and b, giving it the green colourand the name ‘green algae’. 2. Phaeophyceae contains chlorophyll a and c and fucoxanthin. The fucoxanthin gives it the brown colourand hence the name ‘brown algae’. 3. Rhodophyceae contains chlorophyll a and d and phycoerythrin.
Protonema isA. Haploid and is found in mossesB. Diploid …
WebbMay 2nd, 2024 - Of the three phyla of bryophytes greatest species diversity is found in the mosses with up to 15 000 species recognized A moss begins its life cycle when haploid spores which are produced in the sporophyte capsule land on a moist substrate and begin to germinate nitrogen fixing bacteria Definition amp Types Britannica com WebbThe protonema, which grows directly from the germinating spore, is in most mosses an extensive, branched system of multicellular filaments that are rich in chlorophyll. This … list of current astm standards
Protonema is (a) Haploid and is found in mosses (b) Haploid and …
http://www.actforlibraries.org/moss-life-cycle/ WebbThe male gametophyte produces haploid male gametes, or sperm, in the antheridium. Sexual reproduction in moss requires water, and the sperm have two flagella so they can swim. When it rains, sperm are released from the antheridium and splashed onto the female gametophyte. The sperm swim to the archegonium. WebbStudy with Quizlet and memorize flashcards containing terms like The land plants are probably descendants of which group?, The chromosome complement in a moss … images women in long leather coats