Why Might Researchers Choose to Use Molecular Data (Such as Ribosomal

question 9

Multiple Choice

Why might researchers choose to use molecular data (such as ribosomal RNA sequences) rather than morphological data to study the evolutionary history of animals?

• A)Molecular data can be gathered in the lab,while morphological data must be gathered in the field.
• B)Sequence data can be gathered faster than morphological data,and morphological data can lead to wrong conclusions.
• C)Morphological changes usually don't result from molecular changes.
• D)Some phyla vary too widely in morphological characteristics to be classified accurately.

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