1. Fungi

2. Fungi Found in nearly every type of habitat on Earth
What you see on the surface is only part of the whole fungus
Fungi live by decomposing living and nonliving organic matter

3. What is a Fungus? Mushrooms Yeast Puffballs Morels Truffles
Bracket Fungi
Mold
Ringworm

4. General Characteristics
Have cell walls made of chitin
Most are multicellular
Eukaryotes
Heterotrophs
Grow on their food source
Extracellular digestion
Feed through absorption
Produce spores

5. Fungi used to be classified as members of the plant kingdom
Fungi used to be classified as members of the plant kingdom. Why do you think this happened?

6. Fungi vs. Plants Fungi Plants Cell Type Cell Wall Composition
Number of Cells
Nutrition
Locomotion
Complex Organs

7. Fungi vs. Plants Fungi Plants Cell Type Eukaryotic
Cell Wall Composition
Number of Cells
Nutrition
Locomotion
Complex Organs

8. Fungi vs. Plants Fungi Plants Cell Type Cell Wall Composition Chitin
Cellulose
Number of Cells
Nutrition
Locomotion
Complex Organs

9. Fungi vs. Plants Fungi Plants Cell Type Cell Wall Composition
Number of Cells
Multicellular (except yeast)
Multicellular
Nutrition
Locomotion
Complex Organs

10. Fungi vs. Plants Fungi Plants Cell Type Cell Wall Composition
Number of Cells
Nutrition
Extracellular Digestion and Absorption
Photosynthesis
Locomotion
Complex Organs

11. Fungi vs. Plants Fungi Plants Cell Type Cell Wall Composition
Number of Cells
Nutrition
Locomotion No
Complex Organs

12. Fungi vs. Plants Fungi Plants Cell Type Cell Wall Composition
Number of Cells
Nutrition
Locomotion
Complex Organs
None
Roots, Stems, Leaves

13. Structure of Multicellular Fungi
Basic structural unit is the HYPHAE
Hyphae develop from spores
Extensive network of hyphae filaments is known as MYCELIUM
Hyphae are divided by cross walls called SEPTA
Hyphae of parasitic fungi are known as HAUSTORIA

14. What is a Mushroom? Not all fungi produce mushrooms
A mushroom is a fruiting body (reproductive structure) of a fungus
Mushrooms are found at the edges of the mycellium and form a ring

15. Asexual Reproduction Most fungi reproduce asexually and sexually
Fragmentation—piece of hyphae breaks off and begins to grow
Budding—new individual grows by mitosis and then breaks off
Producing spores

16. Sexual Reproduction Fungi may also produce spores by meiosis
Fungi are diploid during only a small part of their lifecycle
The way spores are produced sexually is the basis for classification of fungi into groups

17. Spore Dispersal
Many spores are dry and almost weightless, and they are dispersed by the wind.
Other spores are specialized to lure animals to disperse them.

18. The Bad Rep of Fungi Cause disease in plants and animals Destroy crops
Athlete’s foot
Ringworm
Yeast infections
Destroy crops
Corn smut
Wheat rust
Spoil food

19. The Importance of Fungi
Decomposers (saprobes)
Nutrient recyclers: return trace elements to the soil
Food source
Helped early plants obtain nutrients from the ground

20. Mycorrhizae Symbiotic relationship between a fungus and plant roots
                       
Symbiotic relationship between a fungus and plant roots
Plant gets more nutrients and water so becomes larger and more productive
Fungus receives sugars and amino acids from the plant

21. Lichens
Symbiotic relationship between a fungus and a green algae or cyanobacterium
Fungus is provided with food
Algae or cyanobacterium gets water and nutrients as well as protection