Fungi (Ch.25) Flashcards
What was the first domesticated crop?
Fungus
WHat is the most abundant molecule on Earth?
Cellulose
What is the relationship between cellulose, fungi and Tribe Attini (ants)?
Since fungi can digest cellulose, by the ants forming a relationship with the fungus they will have an unlimited supply of Carbon
How to the vast majority of plants obtain nutrients?
obtain through soil mineral via a symbiotic relationship with soil fungus
Symbiosis
living together of 2 or more organisms for an extended period of time (two types: parasitism and mutualism)
Parasitism
one organism benefits at the expense of another
Mutualism
Both organisms benefit
Fungus is known as the primary ________ on Earth
decomposers
Fungi are heterotrophic eukaryotes, what are the 2 groups that they can be classified into?
- Saprotroph: obtain carbon through non-living material
2. Symbiont - obtains carbon through living material
How do fungi feed? and what does this mean about their lifestyle?
They feed by absorptive nutrients (breaking down large molecules into smaller ones to be absorbed(
This means that they cannot be stationary
Apical Growth
growth from the tip of a cell or tissue
Cytoplasmic Streaming
flowing of cytoplasmic streaming around cell or mycelium
How do fungi reproduce?
- Sexually - this will create spores
- Asexually
or both
(also through binary fission and budding?)
what are most fungi composed of?
composed of hyphae filaments that spread through whatever it’s decomposing creating a mycelium
What type of environments do fungi typically thrive in?
moist environments
