What Is One Way Scientists Determine How Closely Related One

question 63

Multiple Choice

What is one way scientists determine how closely related one organism is to another?

• A) By comparing the age at which they originated based on fossils
• B) By comparing their DNA sequences; the more similar the DNA the more closely related the organisms.
• C) By building an evolutionary tree based on estimated traits
• D) By using carbon-dating to compare them
• E) By putting them together to see if they can communicate

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