1. Chapter 24 Chart Supplement
Fungi

2. Fig , p.401

3. Fig b, p.401

4. The Mycelium
one cell (part
of one hypha of
the mycelium)
p.392

5. Fig
p.401

6. Fungal Classification
Ascomycota
(sac fungi)
Basidiomycota
(club fungi)
zygomycetes
chytrids
microsporidians
FUNGI
amoeboid ancestors
Fig. 24-2, p.392

7. Black Bread Mold (Rhizopus)

8. A Chytrid is one cause of the decline in frog populations
Fig. 24-4a, p.393

9. germinating zygospore
Life Cycle of Rhizopus
zygospore (2n)
Diploid Stage
nuclear fusion
meiosis
Haploid Stage
spores (n)
germinating zygospore
a zygospore
b spore sac
young zygospore
mycelium develops from germinated spore
spores (n)
gametangia
fusing
stolon
ASEXUAL
REPRODUCTION
(mitosis)
contact between hyphae of two mating strains
rhizoids
Fig. 24-6a, p.394

10. Diversity of Club Fungi
Fig. 24-3c, p.392

11. Diversity of Club Fungi
Fig. 24-3d, p.392

12. Diversity of Club Fungi
Fig. 24-3e, p.392

13. Club Fungus Life Cycle Diploid Stage nuclear fusion meiosis
Haploid Stage
Spores (n)
form
club-shaped structures with two nuclei
(n + n)
Spores released
gills
Germination, mycelium forms
cap
stalk
“dikaryotic” (n + n)
mycelium
cytoplasmic fusion
Fig. 24-7, p. 407

14. diploid (2n) hyphal cell
Diploid Stage
Haploid Stage
nuclear
fusion
meiosis
in ascus
cytoplasmic
fusion
two A + two a
ascospores (n)
asexual spores
hyphae of
mating strain A
mitosis
hyphae of
mating strain a
four A + four a
ascospores
asexual spores
dispersal,
germination
Fig. 24-8, p.396

15. Example of Sac Fungus Sarcoscypha coccinia, scarlet cup fungus
Ascospores on the inner cup surface
Fig. 24-8, p.396

16. Example of Sac Fungus
Fig. 24-9b, p.396

17. Fig b, p.397

18. Human Pathogens & Toxins
Ascomycetes cause
Histoplasmosis
Valley fever
Candida (“yeast”) infections
Ringworm
Athlete’s foot
Ergotism
Eating some basidiomycetes can be fatal

19. Human Pathogens & Toxins
Ascomycetes cause
Histoplasmosis
Valley fever
Candida
Ringworm
Athlete’s foot
Ergotism
Eating some basidiomycetes can be fatal

20. ERGOT

21. Lichen
Fig a, p.398

22. A Predatory Fungus roundworm
part of a hypha that formed a nooselike ring around the worm
Fig. 24-5, p.393

23. Mycorrhizae
Fig a, p.399

24. Mycorrhizae
small, young tree root
hyphal strands
Fig b, p.399

25. Without Mycorrhizae With Mycorrhizae
Fig c, p.399

26. Lichen
Fig a, p.398

27. Lichen
Fig b, p.398

28. Lichen Cross Section dispersal fragment
(cells of fungus and of photosynthetic species)
outer layer
of fungal cells
photosynthetic species
inner layer of loosely woven hyphae
outer layer of fungal cells
Fig d, p.398

29. Lichen
Fig c, p.398

30. Lichen
Fig. 24-1b, p.390