Which of the following organisms cannot exist freely on i...
Which of the following organisms cannot exist freely on its own?
Chlamydomonas
Amoeba
Paramecium
Plasmodium
Correct answer is D
The plasmodium is a single-celled parasite that multiplies in red blood cells of humans as well as in the mosquito intestine. Hence, it doesn't live freely.
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Which of the following vertebrae provide articulation surfaces for the ribs? ...