Division Ave. High School
Ms. Foglia
AP Biology
Kingdom: Fungi
Domain Eukarya
Domain
Bacteria
Domain
Archaea
AP Biology
Domain
Eukarya
2007-2008
Common ancestor
General characteristics
 Classification criteria

eukaryotes
heterotrophs

mostly multicellular

cell wall

 feed by absorption
 except unicellular yeasts
 chitin
 rigid polysaccharide

sexual & asexual reproduction
AP Biology
Fungal Structure
 Fungal body

mycelium
 thread-like cells
 hyphae
 Cells

multiple nuclei
 Cell wall

chitin
 just like crab shells
AP Biology
1
Division Ave. High School
Ms. Foglia
AP Biology
Internal structure
chitin cell wall
septum
 Eukaryotic cells

long, thread-like cells
pore
 filamentous

nuclei
incomplete divisions
between cells
 septum

multiple nuclei
Aaaaah,
structure–function
relationship!
AP Biology
Modes of Nutrition
 Heterotrophic
fungal hypha
secrete digestive enzymes
 feed by absorption

 parasites
 feeding on living creatures
plant cell
 predators
membrane
 paralyzing prey
 decomposer
 breakdown dead remains
AP Biology
plant
cell wall
plant cell
Fungi live IN
their food!
It’s like you living
in Chocolate cake!
Fungal Diversity
Ch
AP Biology
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Fungi
2
Division Ave. High School
Ms. Foglia
AP Biology
Ecological Roles
 Decomposers

recycle nutrients
 Symbiotic Relationships

lichen
 fungi + algae
 cyanobacteria or green algae
 pioneer species in
ecosystems
 makes soil from bare rock

Lichens are fungi
that have discovered
agriculture!
mycorrhizae
 fungi + plants
 enables plants to absorb more water
AP Biology
Mycorrhizae
 Critical role in plant growth

extends water absorption of roots
without
mycorrhizae
Endomycorrhiza
AP Biology
with
mycorrhizae
Ectomycorrhiza
Reproduction
 Asexual

budding in yeast
 Sexual

spores

joining of + & – haploid spores
 spread by wind
haploid
spores
AP Biology
3
Division Ave. High School
Ms. Foglia
AP Biology
Zygomycete (Bread Mold) Life Cycle
spores
(haploid)
mating strain
hypha
sporangium
MEIOSIS
(2n)
diploid
(n)
haploid
mating strain
FUSION of
+ and – gametangia
AP Biology
Basidiomycete Life Cycle
fruiting body
gills lined
with basidia
basidium
(n + n)
dikaryotic
2n (diploid)
(n)
haploid
strain
AP Biology
FUSION of
and
hyphae
zygote
MEIOSIS
spores
strain
Fairy Rings
AP Biology
4
Division Ave. High School
Ms. Foglia
AP Biology
The FIRST Antibiotics
AP Biology
Any
Questions??
AP Biology
2007-2008
5