BIOL 300 – BOTANY – OUTLINE #3 – FUNGI
1. Ecological and economic importance of fungi
1) primary decomposers in terrestrial systems
a. reduce bulk of organic material
b. biogeochemical cycling
2) symbiotic associations
a. mycorrhizae
b. lichens
c. others
3) agents of human disease
4) damage to native forest trees
5) pests in agriculture and horticulture
6) positive economic uses
2. Phylogeny of fungi
3. Morphology and anatomy of fungi
1) hyphae (mycelia)
2) no true tissue differentiation
3) chitin cell walls
4) open interior
4. Nutrition of fungi
1) heterotrophic
2) extra-cellular digestion
5. Reproduction in fungi
1) asexual
2) sexual
a. haploid hyphae
b. dikaryotic hyphae
c. formation of sporocarp
d. karyogamy
e. meiosis
f.
formation of haploid
spores
6. Classification of fungi
1) phylogenetic divisions
a. Zygomycota
b. Ascomycota
c. Basidiomycota
2) deuteromycetes
3) chytrids
7. More on lichens
1)
partners
2)
structure
and reproduction
3)
ecological
function
8. More on mycorrhizae
1)
ecological
function
2)
endomycorrhizae
3)
ectomycorrhizae