Algae - They are pigmented eukaryotes, ranging in size from microscopic forms to giant kelps of marine waters.
The chief characters are as follows:
(1)
Source
of
energy
is
an
oxygen
producing
photosynthesis
occurring
in
chloroplasts.
Within
the
chloroplast,
there
are
found
a
variety
of
chlorophylls
and
carotenoids.
Chlorophylla
always
present.
(2) Exhibit a wide range of morphological types.
(3) Many are motile, usually by flagella.





