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
403
Pakistan
61
Brazil
115
Ukraine
112
Italy
67
Belarus
57
Republic of Ireland
49
Belgium
40
Kazakhstan
70
India
293
the United Kingdom
160
Australia
42
Nigeria
42
Poland
18854
Austria
90
the Netherlands
90
the United States
166
Switzerland
45
Canada
38
Germany
519