In Evolutionary Trees, More Closely Related Species Are Grouped More

question 40

Multiple Choice

In evolutionary trees, more closely related species are grouped more closely together. These days, how do scientists determine where to put species when they are constructing evolutionary trees to map evolutionary history?

• A) They guess based on the physical traits of the species.
• B) They use a computer to determine relatedness based on the physical traits of the species.
• C) They use a computer to determine relatedness based on DNA sequences.
• D) More distantly related species are grouped together.
• E) Groups more closely related to each other are put closest to the common ancestor.

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