Notes
Three Domains
Six Kingdoms
Domains
Archae
Bacteria
Eukarya
Six Kingdoms
The system of classification consists
of six kingdoms:
Archaebacteria
Eubacteria
Protists
Fungi
Plants
Animals
How do we decide?
Organisms are placed into kingdoms
based on:
their type of cells
how they get food
the number of cells in their bodies
Domain Archae Archaebacteria
The name archaebacteria means “ancient
bacteria.”Archaebacteria can be either
autotrophic or heterotrophic and live only
in places without oxygen.
Archaebacteria are prokaryotes,
organisms whose cells do not have a
nucleus.
Single-celled or unicellular.
Some are known as Extremophiles- can
survive in extreme conditions
Domain Bacteria - Eubacteria
Bacteria belong to the kingdom known as
Eubacteria.
Eubacteria are unicellular prokaryotes.
Can be found in soil, water, and surfaces.
Can be beneficial (helpful) or harmful.
Are used in the production of certain foods
and also help us to break down foods in
the intestines.
Domain Eukarya - Protists
The protist kingdom is sometimes called
the “odds and ends” kingdom because its
members are so different from one
another.
Protists can be autotrophs or
heterotrophs.
Although many protists are unicellular,
some are multicellular.
However, all protists are eukaryotes—
organisms with cells that contain nuclei.
Domain Eukarya - Fungi
Mushrooms, molds, mildew, and yeast are
all fungi.
Most fungi are multicellular eukaryotes. A
few, such as yeast, are unicellular
eukaryotes.
Fungi are found almost everywhere on
land, but only a few live in fresh water.
All fungi are heterotrophs-they feed on
other things and are not capable of
making their own food.
Most fungi feed on dead or decaying
organisms.
Domain Eukarya - Plants
Plants are all multicellular
eukaryotes.
The plant kingdom includes a wide
variety of organisms.
Found on land and in water.
All plants are autotrophs.
Plants feed almost all of the
heterotrophs on Earth.
Domain Eukarya - Animals
All animals are multicellular
eukaryotes.
All animals are heterotrophs.
Animals have different adaptations
that allow them to find food, capture
it, eat it, and digest it.
Members of the animal kingdom are
found in diverse environments on
earth.