Multiple Choice
Which of the following is the eukaryotic supergroup that contains fungi and animals?
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27. Protists
Eukaryotic Supergroups: Exploring Protist Diversity
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Which of these groups includes photosynthetic unicellular organisms with flagella and contractile vacuoles?
A
Diatoms
B
Dinoflagellates
C
Ciliates
D
Apicomplexans
E
Euglenids
Verified step by step guidance1
Understand the characteristics of each group listed: Diatoms, Dinoflagellates, Ciliates, Apicomplexans, and Euglenids.
Identify the key features of Euglenids: they are photosynthetic, unicellular organisms that possess flagella and contractile vacuoles.
Compare these features with the other groups: Diatoms are photosynthetic but lack flagella and contractile vacuoles; Dinoflagellates have flagella but typically lack contractile vacuoles; Ciliates have contractile vacuoles but are not primarily photosynthetic; Apicomplexans are parasitic and lack both flagella and contractile vacuoles.
Recognize that Euglenids are unique in combining photosynthesis, flagella, and contractile vacuoles, which matches the description given in the problem.
Conclude that the group which includes photosynthetic unicellular organisms with flagella and contractile vacuoles is Euglenids.
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