Page 57 - Science Course 1 (Book 1)

Mo2-L3a: How are Organisms Classified?

Scientific Names CLASSIFICATION OF EASTERN CHIPMUNK

Binomial nomenclature is a system for naming Taxonomic Number of
organisms with two-word scientific name: Examples
Group Species
A species is a group A genus is a group of
of organisms that similar species.
have similar traits and
are able to produce Order Rodentia about 2, 300
fertile offspring.

Blue Crab Family

Scientific Name: Sciuridae 299
Callinectes Sapidus
Genus Name Specific Epithet Genus Tamias 25

American Cockroach Species 1
Striatus
Periplaneta americana Binomial nomenclature was developed by Linnaeus
Kigndom: Animalia and is still used today.
Phylum: Athropoda Scientific names are important because each species
Class: Insecta has its own scientific name and those names are the
Order: Blattaria same worldwide.
Family: Blattidae
Genus: Periplaneta

Species: P. americana

Key Concept

Why does every species have a
scientific name?

Classification Tools
Has the mini-beast got legs?
A dichotomous key is a series of descriptions
arranged in pairs that lead the user to the
identification of an unknown organism. Has it got wings? Has it got a shell?

Has it got more Is it active
than eight legs? at night Worm Snail

Centipede Spider Moth Butterfly
50