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2
EUCARYOTA
ARCHAE A
BACTERIA
Fungi
Basidiomycota
Plants
Slime
molds
Animals
Ascomycota
Glomeromycota
Zygomycota
Chytridiomycota
Tree of Life
The tree of life (or technically–the
phylogenetic tree of life) represents
how life has evolved on planet Earth!
Some brilliant scientists not too long ago
decided they needed a way to talk about
the living things they saw.
They set out to organize and classify
life as we know it using a science called
taxonomy (or Taxonomic Classification).
The scientists made groups based off of
similar traits, then divided groups within
those groups, and more groups within
those groups! It is these groups that we
see in our tree. The closer two branches
are to each other, the more similar the
organisms, or living things, within them
are. Based on this tree, which
organisms do you think are most
similar?
Taxonomic Classification
In taxonomy, life is divided into 8 groups. They start off broad
and get more specific, until we arrive at a unique living thing,
called a species. New species are discovered all the time and
so the list is always being added to and improved upon. Some
day you could be one of the scientists who finds new species or
decides where they belong in the tree!
Chapter 1: What are mushrooms?
TAXONOMIC CLASSIFICATION
HUMANS
OYSTER
MUSHROOMS
FUNGI
BASIDIOMYCOTA
AGARICOMYCETES
AGARICALES
PLEUROTACEAE
PLEUROTUS
OSTREATUS
EUCARYOTA
Domain
Kingdom
Phylum
Class
Order
Family
Genu s
Species
Domain
Kingdom
ANIMALIA
EUCARYOTA
Phylum
Class
Order
Family
Genu s
Species
CHORDATA
MAMMALIA
PRIMATES
HOMINIDAE
HOMO
SAPIENS
CLASSIFICATION GROUPS
1. Domain
5. Order
3. Phylum
7. Genus
2.Kingdom
6. Family
4. Class
8. Species
TAXONOMIC CLASSIFICATION
HUMANS
MUSHROOMS
FUNGI
BASIDIOMYCOTA
AGARICOMYCETES
AGARICALES
PLEUROTACEAE
PLEUROTUS
OSTREATUS
EUCARYOTA
Domain
Kingdom
Phylum
Class
Order
Family
Genu s
Species
Domain
Kingdom
ANIMALIA
EUCARYOTA
Phylum
Class
Order
Family
Genu s
Species
CHORDATA
MAMMALIA
PRIMATES
HOMINIDAE
HOMO
SAPIENS
A great way to remember
the names of the groups
is using the phrase
“Dominating King Phillip
Came Over From Great
Spain”. Dominating =
Domain, King = Kingdom,
Phillip = Phylum, Came =
Class, Over = Order, From
= Family, Great = Genus,
and Spain = Species!
MEMORY TIP!