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
Russia432
Pakistan61
Italy67
Ukraine120
Brazil120
Belarus61
Republic of Ireland49
Belgium42
Kazakhstan72
India295
the United Kingdom165
Australia42
Nigeria42
Poland19058
Austria94
the United States183
the Netherlands95
Switzerland48
Germany553
Canada38