Secondary endosymbiosis can occur when:
A) a virus infects a photosynthetic prokaryote.
B) a nonphotosynthetic protist engulfs a photosynthetic bacterium.
C) a nonphotosynthetic protist engulfs a photosynthetic protist.
D) a protist evolves to become a prokaryote.
E) a green alga engulfs a photosynthetic bacterium.
Correct Answer:
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Q4: Which of the following groups is eukaryotic?
A)viruses
B)bacteria
C)prions
D)cyanobacteria
E)protists
Q5: The first protist chloroplast was likely a(n):
A)virus.
B)chemosynthetic
Q6: Protists that absorb nutrients from dead organic
Q7: A protist that lives inside a host
Q8: Which of the following best describes the
Q10: The foundation of a marine food chain
Q11: Which cell structure is missing in Trichomonas
Q12: Which group of protists includes photosynthetic, unicellular,
Q13: Both Trichomonas and Giardia are parasitic protists
Q14: Protists that lack mitochondria are:
A)apicomplexans.
B)amoebas.
C)excavates.
D)euglenozoans.
E)ciliates.
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