Chapter
28
Animations
Art
Unit 5: The Evolutionary History of Diversity
Protists
Review
The kingdom formerly known as
is crumbling.
Protists
are more diverse than any other eukaryotes.
Much of protist
diversity
has its origins in serial
endosymbiosis.
Euglenozoa,
such as Euglena, contain a crystalline rod inside their
.
Trypanosoma
is notable for being the parasite that causes
sickness in humans.
Dinoflagellates
are photosynthetic and often contain internal plates of
; two
propel them through water in a spinning motion.
Plasmodium
is notable for being the parasite that causes
in humans.
Ciliates use
to move and feed. An
example
is Paramecium, which can undergo genetic recombination by
conjugation.
Amoebozoans include the
unicellular
and multicellular
" slime
molds
" and
" slime
molds
".
Diatoms are
photosynthetic
and are commercially important as a source of
earth.
Golden
algae
(
) can be unicellular or colonial and contain yellow and brown
for photosynthesis.
Brown algae (
), are multicellular
"seaweeds"
that can grow to great heights.
Red algae and green algae are the closest
relatives
of land plants.
Red algae (
) multicellular "seaweeds", some of which are
edible.
Green algae (
) contain
that give them their green
color.
An innovation among the multicellular algae is the
of
generations.
Review.
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