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Biodiversity
Lecture 19
16
Biology
Undergraduate 1
03/19/2011

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Term
menagerie
Definition
Even a low-power microscope can reveal a ___ in pond water
Term
protists
Definition
Even a low-power microscope can reveal a
menagerie in pond water. These organisms are called ___.
Term
eukaryotes
Definition
Protists are ___.
Term
protists
Definition
___ are more diverse than all other
eukaryotes
Term
2 billion
Definition
Protists have been around for ___ years
Term
plankton
Definition
Protists are major components of ___.
Term
unicellular
Definition
Most protists are ___.
Term
photoautotrophs, heterotrophs, and mixotrophs
Definition
Protists include what?
Term
photoautotrophs
Definition
contain chloroplasts
Term
heterotrophs
Definition
ingest larger food particles
Term
mixotrophs
Definition
a combination of photoautotrophs and heterotrophs
Term
freshwater and marine
Definition
Protists include ___ and ___ species
Term
spirogyra
Definition
a filamentous freshwater green alga
Term
endosymbiosis
Definition
Much of protist diversity has its origin in ___.
Term
red algae and green algae
Definition
On several occasions during eukaryotic
evolution ___ underwent secondary endosymbiosis, in which they themselves were ingested
Term
diplomonads
Definition
___ live in anaerobic environments
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