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Notes from 5-6
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FUNGUS
Chapter 2 Lesson 4
Characteristics
Heterotrophs Secrete digestive juices into food supply,
digest the food, and then absorb Feed on dead organisms, or act as parasites
feeding off live organisms Cell Structure
Eukaryotic Hyphae – branching, threadlike tubes that make up the body of the organism Cell walls – made of chitin
Characteristics continued…
Reproduction Asexually
Produce spores in fruiting bodies (ex. Mushroom)
Budding occurs when a small yeast cell grows from the body of the parent cell and then breaks away
Sexual Hyphae of two fungi grow together &
exchange genetic information
Fungi’s Role in Nature Decomposers & Recyclers
Break down chemicals in dead organisms and return those nutrients to the soil
Food Yeast helps us make bread, mushrooms, alcohol
Disease Fighting Penicillin – the first, but not only, antibiotic gleaned
from fungi Disease Causing
Common parasites causing disease in plants/crops Athletes foot Ringworm
Fungi & Nature continued…
Fungi-Plant Can help plants grow when their hyphae
grow on or in the plant root The hyphae absorb water & nutrients for
the plant and the fungi receives food from the plant (symbiosis)
Lichens Combination of algae & fungi living
together to the benefit of both organisms