Download Fungi LG 09

Name ________________________________________ Hr _____
1. Define the following:
a. Fungi
b. Hyphae
c. Mycelium
2. From what organisms is fungi thought to have evolved?
3. Fungi Structure
a. Label: hyphae, mycelium, nuclei
b. Explain how fungi grow.
c. Compare and contrast the following pairs.

Septate fungi & Aseptate fungi

Plant cell walls & Fungi cell walls
4. Draw a generalized life cycle of fungi & label the following parts.

Haploid, diploid, sexual & asexual phases

When mitosis, meiosis, plasmogamy & karyogamy occur
5. Besides living as a mycelium, fungi have evolved to live some unique lifestyles. Explain each of them.

Yeast

Molds

Mycorrhiza

Lichen
6. What does it mean that chytrids are a possible outgroup of fungi?
7. Define the following:
a. Heterokaryotic stage
b. Karyogamy
c. Plasmogamy
8. Complete the chart
Division
Asexual structures
Where plasmogamy occurs
Where karyogamy & meiosis occurs
NONE KNOWN
NONE KNOWN
Zygomycetes
Basidiomycetes
Ascomycetes
Deuteromycetes
Use your book (page 360) or notes to answer the following:
9. Refer to the life cycle of a mushroom or basidiomycete to answer the following
a. When does the heterokaryotic stage begin?
b. Where or when would you find diploid cells?
c. Where or when would you find the haploid cells?
10. What benefits do both organisms receive in living together as lichen?
11. Describe the major role that fungi play in ecosystems.
12. Give at least 2 reasons why Archaea and Fungi are not classified in the same domain. (hint: use your key)
13. Give at least 1 reason why Plants and Fungi are not classifies in the same kingdom.