Fungi. Characteristics eukaryotic multicellular (except yeasts) heterotrophic by absorption (saprophytes – feed on dead organic matter) reproduce sexually.

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Presentation transcript:

Fungi

Characteristics eukaryotic multicellular (except yeasts) heterotrophic by absorption (saprophytes – feed on dead organic matter) reproduce sexually & asexually no locomotion cell walls made of chitin classified by sexual reproduction decomposers

hyphae – rootlike structures for absorbing nutrients mycelium - all the hyphae in a fungus, collectively

Fungal structure

Examples Rhizopus (black bread mold) Yeast Mushrooms, puffballs Cup fungus Ringworm fungus, athlete’s foot fungus Truffles, morels

Zygomycota life cycle

Rhizopus

Ascomycota life cycle

Ascomycetes

Yeasts budding

Basidiomycota life cycle

Symbiotic relationships in fungi: 1)Lichens – fungus & alga living together 2) Mycorrhizae – fungi & tree roots living together

Lichens

Importance of fungi: Helpful make antibiotics (penicillin) used in cheese-making (bleu cheese) used in baking industry (yeast) used in alcohol industry (yeast) used as a food source decomposers

Importance of fungi: Harmful: cause disease in humans cause disease in crops cause allergies spoil food