The diagram shows an amoeba, a single-celled living organism. The movement of gases at $$\(\mathrm{X}\)$$ indicates the occurrence of which process or processes in the cell?
A.
excretion and nutrition
B.
excretion and respiration
C.
nutrition and respiration
D.
respiration only
Exam No：0610_w12_qp_11 Year：2012 Question No：1
Answer:
B
Knowledge points:
1.1.1 Describe the characteristics of living organisms by defining the terms:
1.1.2 Define the terms: –
Solution:
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