WebAnswer: What are gametophyte, prothallus, sori, spores, antheridia and archegonium? Very Good question – Show picture of a fern. Question: List the major structures that are found in the group this plant belongs in. Answer: Pteridophytes have true leaves -fronds, fiddleheads, produce spores contained in sori, prothallus and xylem & phloem. http://facultyweb.wcjc.edu/users/biology/BIOL1407/Lab%20Handouts/Lab_4_land_plants_I.pdf
The prothallus representsA. Gametophyte of fernB.
WebThe spore germinates and gives rise to small but multicellular free-living, inconspicuous, mostly photosynthetic thalloid gametophytes called prothallus. Hence, A prothallus is a … WebA gametophyte (prothallus) of Dicksonia sp. A sporophyte of Dicksonia antarctica. The underside of a Dicksonia antarctica frond showing the sori, or spore-producing structures. In the spermatophytes, the seed plants, the sporophyte is the dominant multicellular phase; the gametophytes are strongly reduced in size and very different in ... try statement in python
Difference Between Protonema and Prothallus
WebMay 3, 2024 · Gametophyte Morphology. Fern gametophytes are reduced, thalloid, and heart-shaped. They are often referred to as a prothallus or prothallium. Figure 6.2.2. 1: … WebThe gametophyte is a stage in the life cycle that is found in all plants and certain species of algae. This process includes both multicellular diploid generation known as Sporophyte and a multicellular haploid generation known as Gametophyte. The word Diploid refers to two sets of chromosomes in the cells, and normally written as ‘2n’. WebThe gametophyte is called Prothallus,they are all small ,they have simple structure and short life cycle,and are all produced by germination of haploid spore . Homosporous species produce bisexual gametophytes whereas heterosporous species produce unisexual gametophytes. Microspore germinates to produce male gametophyte and megaspore … phillip roderick