Taxonomy and
Classification
August 26th
Question!
Talk to your table partners and determine if you
think this clip is an accurate representation or
inaccurate representation of the student culture at
Cypress Creek.
Question!
● Why do you think people tend to form cliques?
● Do you think these cliques are based on
similarities or differences?
● Do you think we, as a society, tend to group
things based on similarities or differences?
Emergent Properties
● An emergent property is a characteristic an entity
gains when it becomes part of a bigger system.
Emergent Properties
● An emergent property is a characteristic an entity
gains when it becomes part of a bigger system.
Emergent Properties
● An emergent property is a characteristic an entity
gains when it becomes part of a bigger system.
Largest: (Most Inclusive)
● Biosphere
● Ecosystem
● Community
● Population
● Species
● Organism
● Organ System
● Organ
● Tissue
● Cell
● Molecule
● Atom
Smallest (Least Inclusive)
Now, when we talk about organisms we like to classify
them based on their similarities and differences
3 Domains of Life
First things first…(I’m a realist)
Prokaryotes
Eukaryotes
● Cells have no nucleus
● Cells have no membrane
bound organelles
● Cells have a nucleus
● Cells have membrane bound
organelles
A good way to remember this is
by saying PRO MEANS NO (but
not really)
A good way to remember this is
by saying EU MEANS TRUE (but
not really)
Domain: Archaea
Domain: Archaea
These little buggers have a cell wall THAT DOES
NOT CONTAIN PEPTIDOGYLCAN
Domain: Bacteria
Domain: Bacteria
These little buggers have a cell wall that’s made of a
molecule called PEPTIDOGLYCAN
Domain: Eukarya
Kingdom: Fungi
These have cell walls
made of chitin.
Kingdom: Plantae
Cell walls
made of
cellulose
Kingdom: Protista
Some have a
cell wall some
don’t.
Kingdom: Animalia
No cell
walls…NEVER
…EVER!
Taxonomy:
Let’s compare wild to domesticated animals!
Grey Wolf
Domestic Dog
Cougar
House Cat
Domain: Eukarya
Domain: Eukarya
Domain: Eukarya
Domain: Eukarya
Kingdom: Animalia
Kingdom: Animalia
Kingdom: Animalia
Kingdom: Animalia
Phylum: Chordata
Phylum: Chordata
Phylum: Chordata
Phylum: Chordata
Class: Mammalia
Class: Mammalia
Class: Mammalia
Class: Mammalia
Order: Carnivora
Order: Carnivora
Order: Carnivora
Order: Carnivora
Family: Canidae
Family: Canidae
Family: Felidae
Family: Felidae
Genus: Canis
Genus: Canis
Genus: Puma
Genus: Felis
Species: lupus
Species: familiaris
Species: concolor
Species: catus