10 phyla of algae you need to know
Table 18.1
1
Number of
membranes
2
3
3
3
~4
4
~4
5
7
~4
~4
~4
8
~4
9
2
2
6
1
0
Division into “Unicellular/
colonial” & “Mullticullular” does
not reflect evolutionary
relationships
Members of: (from Keeling 2004)
Excavates (1)
Chromalveoates (2-8)
Plante (9-10)
Different endosymbiotic histories
Primary (9-10)
Secondary (2-2)
Tertiary or higher (3-8)
Three classes of green algae
1. Chlorophyceae
2. Ulvophyceae
3. Charophyceae
Phaeophyta –
brown algae
Alternation of
heteromorphic
generations
Fig. 18.12
Rhodophyta –
red algae
Alternation of
three
heteromorphic
generations
Not from your book!
Chlorophyta –
green algae
Reproduction in a
unicellular green
algae
Fig. 18.14
Chlorophyta
green algae
Alternation of
isomorphic
generations
Fig. 18.16