L8 fungi Flashcards
(37 cards)
What type of cell are fungi classified as?
Eukaryotic cell
What is the primary role of fungi in the ecosystem?
Decomposers that break down dead and decaying organic matter
What is mycotic/mycosis?
Relating to fungi
What are the two main types of reproduction in fungi?
Asexual and sexual reproduction
In asexual reproduction, daughter cells are _______ to the parent cell.
Genetically identical
What is the process by which haploid cells fuse to form a zygote in fungi?
Sexual reproduction
What are the two subcategories of fungi?
- Yeast
- Mould
Can all fungi be classified as parasites?
No, parasitic is an ecological role, not all fungi are parasites
What is a facultative parasite?
Able to live either free or as a parasite
What is an obligate parasite?
Must have a host to survive
What type of nutrition do saprophytes/saprobes utilize?
Absorbing nutrients from dead organic matter
What is the cell wall material of fungi?
Chitin
What structures do molds consist of?
- Hyphae
- Mycelium
What are conidiospores?
A type of spores borne externally on an aerial hypha called a conidiophore
True or False: Molds reproduce only sexually.
False
What is the purpose of the hyphae in molds?
Responsible for visible mass of growth and nutrient absorption
Reproductive hyphae responsible for production of spores
What are the two types of spores produced by molds?
- Conidia
- Sporangiospores
What is the function of rhizoids in fungi?
Anchor the fungus and absorb nutrients
What does the term ‘saprobes’ refer to?
Organisms that feed by absorbing nutrients from dead organic matter
What type of nutrition do fungi have?
Chemoheterotrophs
What are the two main types of parasites?
- Ectoparasites
- Endoparasites
What can mold toxins potentially cause?
Human diseases known as mycotic disease
What are the main reproductive structures of fungi?
- Spores
- Fruiting bodies
What is a conidium?
A type of asexual reproductive spore, borne on conidiophores