WebbSmallest pteridophyte is Azolla whereas the largest is Cyathea/Alsophila (Tree ferns). Adiantum is commonly called 'Maiden hair fern'. Elaters: Elongated structures which help in spore dispersal. They have spiral bands of thickening for xerochasy. Elaters are epispore appendages in horsetail Equisetum. Anthoceros has pseudoelaters. WebbPteridophytes are vascular plants that produce spores, such ferns, horsetails, clubmoss, and spikemoss. Pteridophytes are distinguished from other spore-producing plants, …
Importance of Pteridophytes - Maheshwar Kumar Prasad
WebbOogamy. Gametes are pear-shaped having two laterally attached flagella. The most common brown algae are Ectocarpus, Laminaria, Dictyota, Sargassum, and Fucus. 3.1.3 Rhodophyceae (Red Algae): Commonly called red algae. … Webb(ii) Fragmentation - Filaments break down into small pieces & form new filaments. eg. All filamentous algae Asexual reproduction : It is a method of protection in all unfavourable conditions. Sexual reproduction : (i) Male sex organ is called antheridium and female is called oogonium. The sex organs of algae are unicellular & jacketless. north crofts sydenham hill
5 Lower Plants LabPacket.docx - 5 Lower Plants Student...
Webb5_Lower Plants 1107 General Biology II Lab Student Name: _____ Section # _____ Or read free on-line textbook, Biology, 2e found at openstax.org Chapter 25 all sections. LAB PACKET 5 STUDENT ASSIGNMENT Students will create 20 of their own study questions and submit as their Lab Packet #5. MUST HAVE A MINIMUM OF 5 QUESTIONS for each … Webbmicro- Greek mikros small microbiology milli- Latin a thousandth part millimetre mio- Greek meion less, smaller Miocene mito- Greek mitos thread mitosis mon-, mono- Greek one, single monocular morph- Greek shape, form morphology mor-, mort- Latin die, death mortality muc-, muco- Latin consisting of many units multicellular Webb18 nov. 2024 · Introduction. Despite its small area (51,100 km 2), Costa Rica is home to remarkably high biodiversity, and is ranked as one of the world’s top 25 biodiversity … how to resin art