Classification system

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Panthera leo senegalensis

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Panthera leo persica

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Panthera leo leo

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Classification System

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How organisms classified?
● There are millions of species of organisms on Earth
● A species - group of organisms that can reproduce to make fertile offspring
● These species classified into groups by having similar features
○ For example: all mammals have bodies covered in hair, feed young from
mammary glands and have external ears

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The Binomial System
● Organisms were first classified by Carl Linnaeus
a. organisms divided into smaller and more specialised groups
● The species in these groups have more and more features in
common

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Carl Linnaeus - father of modern Taxonomy (science of classification)

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The Binomial System
He named organisms in Latin using the binomial system (scientific name of an
organism is made up of two parts)
a. genus (always given a capital letter)
b. species (starting with a lower case letter)
Binomial names are always in italics (which indicates they are Latin) e.g. Homo
sapiens
The sequence of classification is: Kingdom, Phylum, Class, Order, Family, Genus,
Species

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Answers
1. F
2. C
3. A
4. D
5. B
6. E
1. Species
2. Genus
3. Family
4. Order
5. Class
6. Phylum
7. Kingdom

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HOMEWORK
● Classification of your favourite animal or plant
● Classification names (kingdom, phylum, class, order,
family, genus, species)
● Picture of your animal/plant
● 1-2 sentences why you like this animal/plant
● Format A4, beautiful organization/design