Protists
1. Ancestor of
eukaryotes.
Chromosomes
Plasma membrane
2. Infoldings of
membrane.
3. Eukaryotic cell.
Nucleus
Endoplasmic
reticulum
Eukaryotic vs. Prokaryotic cells
endosymbiosis
Eukaryotic vs. Prokaryotic cells
Protist Diversity
Bacteria
Archaea
EUKARYA
This icon shows the overall
tree of life. The highlighted
branch indicates which lineage
is shown in more detail below
Bacteria
Archaea
EUKARYA
Paraphyletic group
Fungi
Animals
All eukaryotes
are protists
(orange branches)
except for the
fungi, animals,
and land plants
Common
ancestor
of all
eukaryotes
Land plants
Unikonta vs bikonta
Bacteria
Archaea
AMOEBOZOA
Lobose amoebae
7 lineages of protists
Cellular slime molds
OPISTHOKONTA
UNIKONTA
Plasmodial slime molds
Fungi
Choanoflagellates
EUKARYOTES
All eukaryotes
are protists
except for the
fungi, animals,
and land plants
Animals
EXCAVATA
Parabasilids
Diplomonads
Euglenids
Kinetoplastids
PLANTAE
Glaucophyte algae
Red algae
Green algae
Green
plants
RHIZARIA
Foraminifera
Chlorarachniophytes
ALVEOLATA
Ciliates
Apicomplexa
STRAMENOPILA
Oomycetes
Diatoms
Brown algae
CHROMALVEOLATA
Dinoflagellates
BIKONTA
Land plants
pseudopodium
Adaptations for
obtaining energy
- ingestion
AMOEBOZOA
OPISTHOKONTA
Primary vs
secondary
endosymbiosis
EXCAVATA
Parabasilids
EUKARYOTES
Diplomonads
Euglenids
Kinetoplastids
PLANTAE
Glaucophyte algae
Red algae
Primary (initial)
endosymbiosis:
occurred here
Green algae
Land plants
RHIZARIA
Secondary
endosymbiosis:
Red algal and green
algal chloroplasts
were transferred to
other protists
Foraminifera
Chlorarachniophytes
ALVEOLATA
Ciliates
Apicomplexa
STRAMENOPILA
Oomycetes
Diatoms
Brown algae
CHROMALVEOLATA
Dinoflagellates
Adaptations for
movement
Alternation of Generations