Classification
Classification
Classification
Greek philosopher Aristotle (384-322 BC) grouped life forms as either plant or
animal. Microscopic organisms were unknown.
Plants Animals
Classification of Organisms cont’d
• In 1735 Swedish naturalist Carolus Linnaeus formalized
the use of two Latin names to identify each organism, a
system called binomial nomenclature.
Fungi
Classification of Organisms cont’d
Monera
Kingdom: (Prokaryote) Protista Plantae Animalia
Organisms: Bacteria Amoebas, diatoms, Plants Animals
and other single- Fungi
celled eukaryotes,
and sometimes
simple
multicellular
organisms, such as
seaweeds.
Classification of Organisms cont’d
• Fungi do not ingest food as animals do, nor do they make their
own food, as plants do; rather, they secrete digestive enzymes
around their food and then absorb it into their cells.
Monera
(Prokaryot
Kingdom: e) Protista Fungi Plantae Animalia
Organism Bacteria Amoebas, Multicellula Multicellula Multicellula
s: diatoms, r, r r
and other filamentou organisms organisms
single-celled s that obtain that ingest
eukaryotes, organisms food food
and that through
sometimes absorb photosynth
simple food esis
multicellular
organisms,
such as
seaweeds.
Classification of Organisms cont’d