Role of Mycorrhizae in Agriculture and Forestry
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Lichen | symbiotic organism | Composition, Types
Lichens are composite organisms that consist of a symbiotic relationship between a fungus and a photosynthetic partner, either a cyanobacterium or algae. The fungus provides structural support and protection for the photosynthetic partner, while the photosynthetic partner provides energy for … Read more
Fungi-Mycelium, Cell structure, Reproduction, Nutrition
Fungi-General Account Mycologists, scientists who study fungi as well as fungi-like protists, believe there may be as many as 1.5 million fungal species. Fungi exist either as single-celled yeasts or in multicellular form with several different cell types. Their reproduction … Read more
The angiosperm life cycle -Life cycle of a Typical Angiosperm
During the development of a flower bud, a single megaspore mother cell in the ovule undergoes meiosis, producing four mega-spores (figure ). In most flowering plants, three of the megaspores soon disappear; the nucleus of the remaining mega-spore divides mitotically, and … Read more
Importance Of Bacteria-Beneficial Prokaryotes
Prokaryotes were largely responsible for creating the current properties of the atmosphere and the soil through billions of years of their activity. Today, they still affect the Earth and human life in many important ways. Prokaryotes are involved in cycling … Read more
Bacteriophage Life Cycle
Bacteriophages (both singular and plural) are viruses that infect bacteria. They are diverse, both structurally and functionally, and are united solely by their occurrence in bacterial hosts. Many of these types of bacteriophage, called phage for short, are large and … Read more