Web27 Feb 2024 · noun ( botany) A phase in the life cycle of certain plant s and algae that starts with the union of gamete s up to the time that sporess are produced Supplement In plant … Web14 Nov 2016 · In a plant’s life cycle, the spore-producing phase is called sporophyte. There are two stages of reproduction in plants: sexual and asexual. Through the process of meiosis and fertilization, the alternation of generation segregates these two phases into … This is a list of all biology terms we have at this moment. We are adding more terms! Natural selection is a pressure that causes groups of organisms to change over … Brain Definition. The brain is an organ that coordinates nervous system function in … Hate Biology? Love Biology? Either way… we are here to help. In fact, we at … Cellular Respiration Definition. Cellular respiration is the process through which … Translation Definition. Translation refers to the process of creating proteins from an … Homeostasis Definition. Homeostasis is an organism’s process of maintaining a …
The Life Cycle of Plants: Alternation of Generations SparkNotes
Web22 Feb 2012 · Determinate sporophyte development based on embryonic meristematic activity is the ancestral condition in land plants, still present in modern liverworts and mosses. An indeterminate sporophyte body (the sporophyte shoot) developing from an apical meristem (SAM) is the fundamental innovation of polysporangiophytes. Web11 Jun 2024 · The sporophyte lives as a thin stalk attached to the gametophyte. Spores are released into the air and can travel on the slightest breezes to other habitats. In contrast, in flowering plants (angiosperms), the sporophyte is the dominant form. The male gametophyte has been reduced to just three cells, two of which are sperm. growing own tomatoes
Plant sexual reproduction: perhaps the current plant two-sex …
Websporophyte. [ spôr ′ə-fīt′ ] Among organisms which display an alternation of generations (such as plants, fungi, and certain algae), the individual diploid organism that produces … Web13 Jun 2024 · The sporophyte is a simple plant with a single, unbranched stalk and a sporangium (capsule) that produces spores. It remains attached to the gametophyte for its entire life. Right: In pine, the sporophyte is the dominant and persistent generation. The gametophytes are, by comparison, very small. ... Details of pollen grain development in … Websporophyte, in plants and certain algae, the nonsexual phase (or an individual representing the phase) in the alternation of generations —a phenomenon in which two distinct phases … film where you cant make a sound