A) mitochondria and chloroplasts were once free-living bacteria.
B) a nucleated cell engulfed an aerobic bacterium which evolved into mitochondria.
C) prokaryotes evolved when an aerobic bacterium engulfed a cyanobacterium.
D) chloroplasts originated when a nucleated cell engulfed a cyanobacterium.
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True/False
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Multiple Choice
A) Chlamydomonas-unicellular
B) Volvox-filamentous
C) Ulva-multicellular
D) Chara-multicellular
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Multiple Choice
A) is only asexual by binary fission.
B) is only sexual by mitosis.
C) is most commonly asexual by mitosis.
D) is most commonly sexual by meiosis.
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Multiple Choice
A) Trichomonas vaginalis.
B) Entamoeba histolytica.
C) Plasmodium falciparum.
D) Giardia intestinalis.
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Essay
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