Fungi_Lesson 13.4 Flashcards
(26 cards)
what is the world’s largest organism?
a fungus in Oregon
the worlds largest organism, a fungus in Oregon, measures nearly __km cubed.
9km
are fungi classified as 1. eukaryotes or 2. prokaryotes?
fungi are classified as eukaryotes
scientists estimate more than ___ million species of fungi exist
1.5 million
fungi form…
long, threadlike structures that grow into large tangles, usually underground
long, threadlike structures that grow into large tangles, which usually grow underground, are called…
hyphae
define hyphae
long, threadlike structures that grow into large tangles, usually underground, which absorb minerals and water
define mycelium
a network of hyphae
define fruiting body
the spore-producing organ of a fungus made out of hyphae, often seen above ground
fungi are heterotrophs, meaning they…
can NOT make their own food
define heterotrophs
an organism deriving its nutritional requirements from complex organic substances
some fungi are _____, obtaining nutrients from living organisms
parasites
fungi dissolve their food by…
releasing chemicals that decompose organic matter/enzymes
after fungi dissolve their food, they then…
absorb the nutrients
hyphae release…
enzymes
scientists group fungi based on…
how they look an dhow they reproduce
fungi can reproduce…
both sexually and asexually
almost all fungi reproduce asexually by…
releasing spores
define spore
small reproductive cells with a strong, protective outer covering
spores can grow into…
new individuals
the classification of fungi often _____ as scientists learn more about them
changes
today, scientist recognize four groups of fungi:
club fungi, sac fungi, zygote fungi, and imperfect fungi
mushrooms belong to a group called…
club fungi
club fungi are named for…
the clublike shape of their reproductive structures
