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Classification of Living Things

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Classification of Living Things ... of a family Roads Cities Money Living Things What about all the living things on the planet .. So how many different forms ... – PowerPoint PPT presentation

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Date added: 30 September 2019
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Title: Classification of Living Things


1
Classification of Living Things
2
What is classification?
  • Classification putting things into orderly
    groups based on similar characteristics.

3
Ways we classify things
  • Supermarket aisles
  • Libraries
  • Classes
  • Teams/sports
  • Members of a family
  • Roads
  • Cities
  • Money
  • Living Things

4
What about all the living things on the planet..
  • So how many different forms of life are
    there?Hundreds? Thousands? Millions?
  • It is very difficult to imagine how many species
    of plants, animals and other creatures there are
    on the planet.
  • Consider the swallowtail butterfly. It is just
    one of many butterflies, and butterflies are only
    one type of insect...

5
  • In the world today...
  • There are about 600 species of swallowtail
    butterflyBut this is only one group of
    butterflies

6
  • There are about 16,000 species of butterfly
  • But we haven't included the moths!

There are about 165,000 species of butterfly and
moth But this is only one group of insects
7
  • There are about 1,000,000 species of known
    insects But insects are only one type of
    arthropod

8
  • There are about 1,075,000 species of arthropod
  • But arthropods are only one type of animal

9
  • There are about 1,500,000 species of animal But
    animals are only one type of living thing

10
  • There are about 70,000 species of fungi
  • There are about 400,000 species of plant
  • And there are at least 140,000 species of
    'protist'

11
  • But there are more
  • types of
  • living thing... Scientists cannot begin to
    imagine how many bacteria there are!

12
  • When you consider how many living things there on
    the planet, you can begin to understand the
    importance of classification.

Classification helps scientists organize the
diversity of life on Earth.
13
  • Taxonomy the science of describing, naming, and
    classifying organisms.
  • Taxonomists give a unique scientific name to
  • each species they know about whether its
    alive
  • today or extinct.
  • The scientific name comes from one of two
  • dead languages Latin or ancient Greek.

Why use a dead language?
14
  • Consider this

15
Devil Cat
16
Ghost Cat
17
Mountain Lion
18
Screaming Cat
19
Puma
20
Florida Panther
21
Cougar
22
  • There are at least 50 common names for
  • the animal shown on the previous 7 slides.
  • Common names vary according to region.
  • Soooowhy use a scientific name?

23
Biologists use the classification system to
organize living things into groups so that the
organisms are easier to study.
Classification- the process of grouping things
based on their similarities.
Biologists aren't the only scientists who
classify. Geologists classify, sometimes even we
classify things
Taxonomy is useful because once an organism is
classified a scientist knows a lot about that
organism.
24
Binomial Nomenclature
  • Developed by Carolus Linnaeus
  • Two-name system
  • Genus and species named using Latin or Greek words

25
The modern system of classification has 8 levels
26
Helpful way to remember the 8 levels
  • Dumb kids playing catch on freeways get squashed
  • Ormake up your own
  • D K P C O F G S

27
Types of Domains
  • Bacteria
  • Unicellular
  • Archaea
  • Unicellular, live in extreme environments
  • Eukarya
  • Unicellular or multi-cellular
  • Protists, Fungi, Plants, and Animals

28
Domains and Kingdoms
29
Rules used to write scientific names
  • Homo sapiens
  • An organisms genus is always written first the
    organisms species is always written second
  • The genus is Capitalized the species is
  • written in lower case
  • Scientific names of organisms are always
    italicized or underlined

30
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