FOR201H1 Chapter Notes - Chapter 3: Polypore, Cyanobacteria, Algae
Document Summary
Chapter 3 - the great unseen, fungi and microorganisms: Oomycetes: are a group of devastating plant pathogens. Commensalism: is a symbiotic relationship that provides benefit to one organism and neither benefit nor harm to the other organism. Labile: means easily altered or liable to change. Fungi perform multiple roles as pathogens, parasites, saprophytes, and mutualists, Mutualism: is a symbiotic relationship that"s beneficial to both organisms involved. Fungi can be positive plant symbionts as they facilitate nutrient uptake. A pathogens: is a virus, bacterium, or microorganism that can cause disease. Fungal mycelium: is found in wood and is. It"s fed on by about 40% of beetle species. Less than 100,000 species of fungi have been described. Mycorrhizas: are a fungus that grows in association with the roots of a plant in a symbiotic or mildly pathogenic relationship. There are widespread mutualistic associations between fungi and plant roots. 70-80% of vascular rain forest plants form associations with mycorrhizal fungi.
