Clitellum - Study guides, Class notes & Summaries

UNCW Bio 202 Exam 4 Questions and Answers What evidence suggests that Echinoderms evolved radial symmetry secondarily? - correct ans-d) Echinoderm larvae demonstrate bilateral symmetry Pedicellariae are pincer-like extensions located on the surface of echinoderms and function to: - correct ans-a) Remove debris b) Prevent other organisms from settling on the animal c) Protect the dermal branchiae --> d) All of the above A mutation in the gene that is responsible for the developmen...