Sponges and ctenophores have both been proposed as basal metazoans. Imagine that
ID: 302143 • Letter: S
Question
Sponges and ctenophores have both been proposed as basal metazoans. Imagine that you wanted to provide additional evidence to help resolve this question. Which of the following projects would be the best next step?
more extensive study of DNA sequences in the bilateria
more extensive studies of DNA sequences in both groups
ultrastructural (that is, electron microscope) comparisons of choanoflagellates and sperm cells from arthropods
measurements of molecular clocks from the Lophotrochozoa
more extensive study of DNA sequences in the bilateria
more extensive studies of DNA sequences in both groups
ultrastructural (that is, electron microscope) comparisons of choanoflagellates and sperm cells from arthropods
measurements of molecular clocks from the Lophotrochozoa
Explanation / Answer
Answere : The correct option is "ultrastructure (that is, electron microscope) comparison of choanoflagellates and sperm cells from arthropods".
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