Chapter 23- Fungi Flashcards
(32 cards)
Despite their tolerance for harsh climates, lichens are particularly intolerant of _____.
Airborne toxic materials.
Mycorrhizae and plants exhibit what?
Mutualism.
The life cycles are known for how many major groups of fungi?
3
The major groups of fungi are assigned names on the basis of ____?
Reproductive structures.
In fungi, food materials are digested where?
Outside the body.
What are saprobes?
Organisms that feed on dead material.
Fungi are generally saprobes. True or false?
TRUE.
Which fungus relies on extracellular digestion and absorption of energy-rich substances found in living organisms?
Parasitic.
All fungi are heterotrophic. True or false?
TRUE.
All fungi perform intracellular digestion. True or false?
FALSE… Extracellular.
The chief advantage of the growth habit of the mycelium is a large ___.
Surface-to-volume ratio.
The walls of fungi contain what?
Chitin.
In most true fungi the individual cellular filaments of the body are called what?
Hyphae.
Mushrooms are members of which type of fungi?
Club fungi.
What is the diploid stage in the life cycle of fungi?
Zygote.
In what ways do fungi reproduce (three ways)
Asexually by spores, budding of the parent body, and sexually by gametes.
What is an example of zygospore-forming fungi?
Bread mold.
Rhizoids are _____.
Rootlike absorbing filaments.
Yeasts are members of which type of fungi?
Sac fungi.
Baking bread and making wine are dependent on _____, or sac fungi.
Yeast.
Edible fungi belong mainly to _____ and ____.
Ascomycota and basidiomycota.
What factor is the most important algal contribution to the fungal component of a lichen?
Photosynthetically derived food.
A lichen is a composite organism made up of ____ and ____.
A fungus and an algae.
Mycorrhizae are fungus roots. True or false?
TRUE.
