Which of the following is the smallest?
bacteria
viruses
White blood cells
protozoa
Viruses are by far the smallest, their whole "body" is a DNA or RNA code packed in a protein coat. Unlike the rest of the given, they are not living cells.
reach: rather globalbacteriabiologymedicinemicrobiologynature
Answers by country
bacteria
viruses
White blood cells
protozoa
answers
Russia
423
Pakistan
61
Brazil
116
Italy
67
Ukraine
115
Belarus
58
Republic of Ireland
49
Belgium
41
Kazakhstan
71
India
295
the United Kingdom
161
Australia
42
Nigeria
42
Poland
18957
Austria
94
the United States
176
the Netherlands
92
Switzerland
47
Germany
540
Canada
38