Aurelia are named as such because of their golden appearance. What is the symbol for gold?

The common name for Sabella is

Worms in class Monogenea infect

Which fluke has a smaller, thicker body?

A common intermediate host of a Trematode is a(an)

How many classes are in Phylum Platyhelminthes?

“Cephalization” refers to having sensory organs in the

In class Turbellaria, these animals have endodermal germ tissues that gives rise to the

The pH of human blood is

What anatomical structure(s) and physiology allow Nematodes to have a wide range of movement and the ability to “hold on?”