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A scientist is trying to determine how closely related a moth species (Species Z) is to four other moth species (Species A, B, C, and D). He examined the DNA of each species and compared it to the study subject. He then created this table.

\begin{tabular}{|c|c|}
\hline Species & \# of Genetic Differences \\
\hline Species A & 12 \\
\hline Species B & 3 \\
\hline Species C & 14 \\
\hline Species D & 28 \\
\hline
\end{tabular}

Which species is most closely related to the moth species (Species Z)?

A. Species A
B. Species B
C. Species C
D. Species D



Answer :

GinnyAnswer
To determine which species is most closely related to Species Z, we need to consider the number of genetic differences listed for each species. The fewer the genetic differences, the more closely related the species are.

Let's examine the number of genetic differences for each species:

- Species A has 12 genetic differences.
- Species B has 3 genetic differences.
- Species C has 14 genetic differences.
- Species D has 28 genetic differences.

From these values, we compare the numbers to find the smallest one. The species with the smallest number of genetic differences will be the most closely related to Species Z.

Here, Species A has 12 differences, Species B has 3 differences, Species C has 14 differences, and Species D has 28 differences.

Among all these numbers, 3 is the smallest. Therefore, Species B, which has 3 genetic differences, is the most closely related to Species Z.

In conclusion:
Species B is the most closely related to the moth species (Species Z).

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