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
400
Pakistan
61
Brazil
114
Italy
67
Ukraine
111
Belarus
57
Republic of Ireland
48
Belgium
39
Kazakhstan
69
India
293
the United Kingdom
160
Nigeria
42
Australia
42
Poland
18844
Austria
90
the United States
165
the Netherlands
89
Switzerland
44
Canada
38
Germany
517