Which of the Following Statements Describes a Purpose for Which

question 23

Multiple Choice

Which of the following statements describes a purpose for which biologists use phylogenetic trees?

• A) For human diseases once found only in other animals, phylogenetic trees are helpful in determining when and where the infectious organisms first entered human populations.
• B) Phylogenetic trees are useful for determining how many times a particular trait may have evolved independently within a lineage.
• C) Phylogenetic trees can be used to reconstruct ancestral traits.
• D) Phylogenetic trees can be used in conjunction with molecular clocks to estimate the timing of evolutionary events.
• E) All of the above

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