Biology > QUESTIONS & ANSWERS > Brooks Biodiversity Unit 2 2022 Exam with 100% correct answers (All)
Brooks Biodiversity Unit 2 2022 Exam with 100% correct answers The Primary role of Fungi Decomposers- they break things down Modes of Nutrition in Fungi Heterotrophs with extracellular digest... ion 00:39 01:14 Exoenzymes Fungi Release these enzymes outside of the cell wall. Break down complex molecules into smaller organic molecules which can be absorbed. Extracellular Digestion The release of exoenzymes out side of the cell wall, followed by the absorption of nutrients.. Saprobes Fungi that feed on non-living/dead organisms Symbionts Fungus that lives with another living organism (form a symbiotic relationship) Mutualism in Fungi both organisms benefit, neither is harmed. Ex: Lichens - fungi and algae (cyanobacteria) Ex: Mycorrhizae - fungi and plant roots Commensalism One organism benefits, the other is unharmed Parasitism One organism benefits, the other is harmed Examples of Parasitism in Fungi Ex: Fungus as a human parasite (Athelete's Foot) Ex: Fungus as a plant parasite 1. black stem rust on wheat 2. ergots on rye 3. strawberries with botrytis mold 4. pink ear rot of corn Black Stem Rust Parasitic relationship with fungus and plant. Occurs on wheat [Show More]
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