Chapter 31

Chapter 31 - Chapter 31 Fungi I. II. III. How many...

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Chapter 31 Fungi I. How many individual fungi do you see in these pics? a. 1 because they all sprout from one main source II. Concept 31.1: Fungi are Heterotrophs that feed by absorption III. Fugal Nutrition and Lifestyles a. Fungi are heterotrophs but do not ingest their food i. Secret exoenzymes into their surroundings that break down complex molecules ii. Absorb smaller organic molecules b. Fungi exhibit diverse lifestyles i. Decomposers, a.k.a., saprotrophs ii. Parasites 1. Athletes foot iii. Mutualistic symbionts 1. Mutual benefits, host and symbionts IV.Body structure a. The morphology of Multicellular fungi enhances absorption of nutrients b. Fungi consist of hyphae (long, narrow, branched) that are grouped together into mycelia (entire network of hyphae) i. Maximizes surface area c. Most fungi have cell walls made of chitin (exoskeleton made of carbohydrates which are also found in things like crawfish shells) instead of cellulose (what plants are made of)
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This note was uploaded on 02/26/2009 for the course BIOL 1202 taught by Professor Gregg during the Spring '08 term at LSU.

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Chapter 31 - Chapter 31 Fungi I. II. III. How many...

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