Looking at the tabe below which two species are the least closely related?

Number of Amino Acid Differences between Species

Species 1 Species 2 Species 3 Species 4

74

7

Species 10

65

0

Species 274

29

13

29

0

81

Species 37

13

81

0

Species 4 65

Species 1 & 2

Species 1 & 3

Species 2&3

Species 3 & 4