Web26 jun. 2015 · There are over a hundred gemmae in a fully developed gemma-cup. The frequency of gemma-cup formation is influenced by environmental factors, such as light and nutrients ( Voth and Hamner 1940, Voth 1941, Benson-Evans 1964). Under laboratory conditions, the addition of 1% sucrose to the growth medium promotes the formation of … WebA budlike mass of undifferentiated tissue which serves as a means of vegetative reproduction among mosses and liverworts. The gemmae, often formed in structures …
The splash-cup dispersal mechanism in plants - ResearchGate
WebThe sex organs of these plants are multicellular. The zygote (2n generation) is retained within the female sex organ of many of the mosses but is free-living in the ferns and their allies. The dominant generation in the mosses is usually the gametophyte, and in the ferns is the sporophyte. Alternation of generations in these groups is often ... WebIn mosses, the sex organs are seen in: 1. Protonema stage 2. Leafy stage 3. Capsule of the sporophyte 4. Seta of the sporophyte Plant Kingdom Botany Practice questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, NCERT Exemplar Questions and PDF Questions with answers, solutions, … chip 20k giveaway
What are Gemmae cups? - byjus.com
Web21 mrt. 2024 · A simple marine food chain is depicted below. Given what you have learned about the biomagnification of some pollutants (e.g., cadmium), in what organism would you expect to find the greatest concentration of cadmium? A.Killer Whale B.Marine Seal C.Plankton- eating fish D.Phytoplankton WebA gemma (plural gemmae) is a single cell, or a mass of cells, or a modified bud of tissue, that detaches from the parent and develops into a new individual. This type of asexual reproduction is referred to as fragmentation. It is a means of asexual propagation in plants. These structures are commonly found in fungi, algae, liverworts and mosses ... Web28 apr. 2024 · Organism Definition. An organism is a single individual, or being. While it may have many separate parts, the organism cannot survive without the parts, as the parts cannot survive without the organism. Some organisms are simple and only contain an information molecule describing how to obtain energy and reproduce the molecule. grant county district court ky