Question

Do you think image B supports the idea that some vertebrates are more closely related than others? Explain your answers with reasons.

Answer 1

None of the organisms have the same number of difference from the human Cytochrome C. In situations like this, we can decide which is more closely related to humans by comparing anatomy structures, evolutionary tree or comparing them to the human genes by using another protein.

Answer 2

Yes, the image of the skulls supports the idea that some vertebrates can be more closely related than others. The wolf skull looks considerably different from the chimpanzee skull and the human skull. It’s longer, and its foramen magnum opening is in a different position. Its jaw has a completely different shape too. Based on this evidence, chimpanzees and humans are more closely related to each other than they are to wolves.

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