Why Might Researchers Choose to Use Molecular Data Such as Ribosomal

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