In this lab exercise, you observed the diversity of animals in the phyla Echinodermata and Chordata. Consult your lab manual for the structures that you will need to recognize on each specimen and their functions.  You will be responsible for them on the slides, perch dissection and models. Recognize the stages of early development in echinoderms and be able to put them in proper sequence. As in all exercises, concentrate on those structures in bold face type and those that you were asked to label on your diagrams.

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