Brightstorm Video CHARACTERISTICS EUKARYOTIC MOST MULTICELLULAR HETEROTROPHIC : Decomposers!!...
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Transcript of Brightstorm Video CHARACTERISTICS EUKARYOTIC MOST MULTICELLULAR HETEROTROPHIC : Decomposers!!...
Brightstorm Video
CHARACTERISTICS• EUKARYOTIC• MOST
MULTICELLULAR• HETEROTROPHIC :
Decomposers!!– SAPROBES OR
PARASITIC
• BODY IS MADE OF HYPHAE
• HAVE CELL WALLS MADE OF CHITIN
• EARLIEST FUNGI FOSSILS ARE ABOUT 500 MILLION YEARS OLD
• A FUNGUS IN WASHINGTON STATE COVERS AN AREA OF 1500 ACRES
• FUNGI REPRODUCE ASEXUALLY AND SEXUALLY, AND ARE CHARACTERIZED BY THEIR METHOD OF REPRODUCTION
PROSPROS• EDIBLE• DECOMPOSERS• BREADS• PENICILLUM• CYCLOSPORINE• PREFERRED OVER
BACTERIA FOR GENETIC ENGINEERING
CONSCONS• ATHLETES FOOT• JOCK ITCH• YEAST
INFECTIONS• MOLDY BREAD• MILDEW • RINGWORM• SOME ARE TOXIC• HISTOPLASMOSIS
(95% in H.I.V. cases)• SICK BUILDING
SYNDROME
S E X U A L R E P R O D U C TIO N
Z Y G O S P O R E S
Z Y G O M Y C O TA
A S C O S P O R E S
A S C O M Y C O TA
B A S ID IO S P O R E S
B A S ID IO M Y C O TA
U N K N O W N
D E U TE R O M Y C O TA
D IV IS IO N S
Animation
• “CLUB FUNGI”
• 25,000 SPECIES
• MOSTLY TERRESTRIAL
• INCLUDES THE MUSHROOMS, TOADSTOOLS, PUFFBALLS, SHELF FUNGI, RUSTS AND SMUTS
Wisconsin Online Link
• ASEXUAL REPRODUCTION IS CALLED FRAGMENTATION.
• THIS FORM OF REPRODUCTION IS RARE IN THIS GROUP, EXCEPT IN SOME RUSTS AND SMUTS.
of Basidomycota
of Basidomycota• THE REPRODUCTIVE
BODY IS CALLED A BASIDIOCARP.
• THE UNDERSIDE OF THE MUSHROOM CAP IS LINED WITH GILLS.
• CLUB SHAPED REPRODUCTIVE CELLS CALLED BASIDIA FORM ON THE GILLS.
• THE BASIDIA PRODUCES BASIDIOSPORES & RELEASE THEM WHEN CONDITIONS ARE FAVORABLE.
• 600 SPECIES• COMMONLY
FOUND IN SOIL & DUNG
• INCLUDES THE BLACK BREAD MOLDS
• ZYGOMYCETES ARE COENOCYTIC (HYPHAE LACK SEPTA)
of Zygomycota• ASEXUAL
REPRODUCTION: SPORANGIA FORM AT THE TIPS OF SPORANGIO-PHORES. THE SPORANGIA PRODUCE SPORES THAT ARE DISPERSED BY WIND.
of Zygomycota• SEXUAL
REPRODUCTION IS CALLED CONJUGATION. 2 MATING STRAINS JOIN AND FORM A ZYGOSPORE. MEIOSIS OCCURS WHEN SPRORE GERMINATES.
Bread mold
Animation
• “SAC FUNGI”
• 30,000 SPECIES
• FOUND IN SOIL, DUNG, ROTTING LOGS, SALT AND FRESH WATER.
• INCLUDES: YEASTS, MORELS, MILDEWS, & MOLDS.
Animation
Truffles
• ASEXUAL REPRODUCTION: CONIDIA (SPORES) ARE FORMED ON THE ENDS OF CONIDIOPHORES.
• YEASTS: BUDDING
of Ascomycota
• THE REPRODUCTIVE BODY IS CALLED AN ASCOCARP.
• SACS CALLED ASCI FORM ON THE SURFACE OF THE ASCOCARP.
• EACH ASCUS CONTAINS 8 HAPLOID ASCOSPORES.
of Ascomycota
• “FUNGI IMPERFECTI”
• 10,000 SPECIES• TERRESTRIAL• INCLUDES
ASPERGILLUS, PENICILLUM, ATHLETE’S FOOT, & RINGWORM
• ASEXUAL REPRODUCTION: CONIDIA (SPORES) ARE FORMED ON THE ENDS OF CONIDIOPHORES.
of Dueteromycota
• FUNGI IN WHICH SEXUAL REPRODUCTION HAS NOT BEEN OBSERVED
of Dueteromycota
Lichens
• Lichen Story