Linnaeus’ Taxonomy

Taxonomy is any method of classification.

Reasons for Using a Classification System:

Clarification of speciesAllows for world-wide

research

How Linnaeus’System Works:

P h ylu m :Chordata

P h ylu m :Arthropoda

P h ylu m :Echinoderm ata

K in g d om :Anim alia

Kingdom:

The largest

and most

general taxon– Type of cells– Number of cells– Method of getting

food

Kingdom: Animalia

Eukaryote: well defined nucleus

Multicellular: more than one cell

Heterotroph: food from an outside source

Kingdoms are Divided into Phyla:

P h ylu m :Chordata

P h ylu m :Arthropoda

P h ylu m :Cnidaria

K in g d om :Anim alia

Phylum Chordata: Backbone

Paired appendages

Phyla are Divided into Classes:

C lassM am m alia

C lassAves

C lassAm phibia

P h ylu mChordata

Class: Mammalia Diaphragm

Hair/fur

mammary glands

Classes are Divided into Orders:

O rd erPrim ate

O rd erSerenia

O rd erCarnivora

C lassM am m alia

The Primate Order:

Complex Brain

Opposable thumb

Stereovision

Separate radius and ulna

Fingernails

Types of Primates: Apes Humans Prosimians Monkeys

–New World–Old World

Prosimians are:Lemurs & Tarsiers

Ringtail Lemur

Philippine Tarsier:

Tarsius syrichta

Orders are Divided into Families:

F am ilyHom inidae

F am ilyCercopithecidae

O rd erPrim ate

Characteristics of Hominidae:

Walk uprightSmall face and teeth

relative to other primatesLarge brain capacity

Families are Divided into Genera:

G en u sHom o

G en u sAustralopithicus

F am ilyHom inidae

Characteristics of the Genus Homo:

Largest cranial capacity of any primate.

Cranial capacity increases with time.

Genera are divided into Species

S p ec iessapiens sapiensm od ern h u m an s

S p ec iessapiens neanderthalis

N ean d erth a lextin c t

S p ec ieserectusextin c t

S p ec ieshabilisextin c t

G en u sHom o

Homo erectusneanderthalis vs. sapiens sapiens

                                                        

Modern HumansHomo sapiens sapiens

Leonardo Da Vinci

What’s Next?????