Homework-Answer this question and email it to  biovcc@Gmail.com

Hw 8

1.Distinguish between bilateral and radial symmetry.

2. If bilateral symmetry was to evolve among the cnidarians, in which group or groups would you expect this to take place?

3. What is the advantage of one way digestive system in higher invertebrates over the sac-like digestive system in lower invertebrates?