Classification ~ Sorting living things into groups ~ By the end of the lesson you should be able to: 1)Define the term ‘species’ 2)Name the 7 levels of.

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Presentation transcript:

Classification ~ Sorting living things into groups ~ By the end of the lesson you should be able to: 1)Define the term ‘species’ 2)Name the 7 levels of classification in order 3)Explain the difference between artificial and natural classification

An estimated 14 million species exist on Earth today! An estimated 99% of all the species that have ever existed on Earth are now extinct

Types of Classification Artificial Classification Sorting living things into groups based on what we see Natural Classification

Types of Classification Artificial Classification Sorting living things into groups based on what we see, e.g. where they live, whether they have wings. Natural Classification

Types of Classification Artificial Classification Sorting living things into groups based on what we see, e.g. where they live, whether they have wings. Natural Classification Sorting living things into groups based on how closely related they are (due to evolution)

How could you group these?

Kingdom Phylum Class Order Family Genus Species Animal Chordates Mammals Primate Hominidae Homo sapiens Animal Chordates Mammals Primate Hominidae Pan troglodytes Animal Chordates Mammals Carnivora Ursidae Ursus arctos horribilis A mnemonic to remember KPCOFGS?

Naming species – Binomial system Leo panthera Felis catus Canis lupus Rattus rattus Escherichia coli

Naming species – Binomial system Canis lupus Latin / Greek Generic name (Genus). Capital letter Specific name (species). Lower case Can shorten binomial name: E.g. Canis lupus becomes C. lupus Italic (if typed) or underlined (if written) If species unknown, just write sp. E.g. Canis sp.

What is a species? “A group of similar organisms that can breed together to form fertile offspring”

Which is the Odd One Out ?

acac bdbd 1

acac bdbd 2

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ANSWERS! Which is the Odd One Out ?

acac bdbd 1

b 1 The rest are vertebratesa backbone; the others are vertebrates.

acac bdbd 2

a 2 The rest are flowering plantsn’t have flowers; all the others are flowering plants.

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d 3 The rest are mammals

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c 4 c. The millipede is the only one that does not have six legs; all the others are insects.

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a 5 a. The hyena is a member of the dog family; all the others are cats. The rest are in the cat family

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b 6 The rest are fungieed is a type of alga; all the others are types of fungus.

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d 7 The rest are birds

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a 8 The rest are reptilesamphibian and all the others are reptiles.

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b 9 The rest are animals

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d The rest are crustaceansare crustaceans.