The Plastids of Kelps and Other Brown Algae Arose Through

question 24

Multiple Choice

The plastids of kelps and other brown algae arose through secondary endosymbiosis.What modern organisms are most closely related to the type of cell that eventually became these plastids?

• A)cyanobacteria
• B)Chlamydomonas (a single-celled green alga)
• C)Trypanosoma (a kinetoplastid)
• D)dinoflagellates
• E)coccolithophorids

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