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Taxonomy

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by

Devin Heggie

on 23 November 2015

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Transcript of Taxonomy

Taxonomy and Dichotomous Keys
Objectives
I CAN describe how organisms are classified and named.

I CAN use a dichotomous key to identify foreign objects or organisms.

Taxonomic Organization
Taxonomy
Taxon
is a named group of organisms (plural: taxa) They range from having
broad
diagnostic
characteristics
to having
specific
characteristics.
Dichotomous Key
Dichotomous Key
a key for the
identification
of organisms based on a series of
choices
between alternative characters.
Taxonomy
Taxonomy
is a discipline of biology primarily concerned with
identifying
,
naming
and
classifying
species based on natural relationships.
Binomial Nomenclature
Binomial Nomenclature
is a method of
naming
organisms that gives each species a scientific name that has
two
parts.

1.
Genus
name
2. Specific
epithet
or specific name

Species
Basic unit of classification, specific to each organism.
Kingdom
Kingdom
is made up of one or more related
phyla
.
Phylum
Phylum
or division contains related
classes
.
Class
Class
contains related
orders
.
Order
Order
contains related
families
.
Family
Family
contains related
genera
.
Genus
Genus
is defined as a group of
species
that are closely
related
and share a
common ancestor
.
Genus: Canis
Family: Canidae
Order: Carnivora
Class: Mammalia
Phylum: Chordata
Kingdom: Animalia
K
ing
P
hilip
C
oughs
O
ut
F
lying
G
reen
S
not
Domain
is the broadest of all taxa and contains one or more
kingdoms
.
Domain: Eukaryota
Domain
Tips:
1. Work in pairs to identify the organisms.

2. Be sure to write the species name in the correct format, according to binomial nomenclature rules.
Do Now
11/23/15
Answer the following question in 2-3 complete sentences.
What characteristic do domestic cats and lions share share that separates them from the other animals? Which organisms have cheek teeth for eating meat?
Essential Questions
How is the use of a dichotomous key related to the classification of species?
Independent Practice
Full transcript