Number of Differences Pair of Species 2 Porpoise and S. Whale 3 Deer and Giraffe 3 Porpoise and Rt. Whale 3 Hippo and Porpoise 3 Hippo and S. Whale 3 Cow and Giraffe 3 S. Whale and Rt. Whale 4 Hippo and Rt. Whale 4 Deer and Cow Please answer the following questions in complete sentences. 2. Which 4 species are found in all possible combinations with each other

The correct answer is - Porpoise, Sperm, Whale, Rt. Whale, and Hippo.

Explanation:

In the question the following combinations are given of the various species with only 2-4 differences in their DNA:

2 Porpoise - Sperm Whale

3 Sperm Whale - Rt. Whale

3 Porpoise - Rt. Whale

3 Hippo - Sperm Whale

3 Hippo - Porpoise

3 Cow - Giraffe

3 Deer - Giraffe

4 Hippo - Rt. Whale

4 Deer - Cow

Here numbers represent the differences in their DNA and on the basis of this combination we can say that Porpoise, Sperm, Whale, Rt. Whale, and Hippo found in all possible combinations with one another. It also tells that all these species diverged from the common ancestor.