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Classification
Opening:
Essential Question: Why might classification be important to the world?
Classification – categorizing species.
Taxonomists – scientists that
identify and name organisms.
A.K.A. - taxonomy
Benefits of Classification:



Accurately & uniformly names organisms
Prevents misnomers such as starfish & jellyfish
that aren’t really fish
Uses same language (Latin or some Greek) for all
names.
Carolus Linnaeus
Who was he?
\
Dutch scientist
What did he do?
Developed the modern system of naming
What was he called?
“Father of Taxonomy”
The system he developed was called
What does it consist of?
-
binomial nomenclature.
Two-word name (Genus & species)
Mephitis mephitis
Homo sapiens
Binomial Nomenclature (Genus species) Rules:
1. Italicized in print
2. Capitalize Genus, but NOT species
3. Underline when writing
Classification Groups
Taxon – (taxa –plural) is a category into which organisms are placed.
Hierarchy – There is a hierarchy of groups (taxa) from broadest to most specific.
List Order
K –ingdom
Trick for Remembering
Hierarchy
King
P –hylum
Phillip
C –lass
Came
O –rder
Over
F –amily
For
G –enus
Great
S –pecies
Spaghetti
Question Break: (answer from smart lesson)
Record your own
acronym.
Basis for Modern Taxonomy
Homologous Structures (same structure, different
function)
Similar embryo development
Similarity in DNA, RNA, or amino acid sequence of
proteins.
Cladograms Diagram showing how organisms are related based on shared,
derived characteristics such as feathers, hair or scales.
Create your own analogy for a cladogram.