Kingdom Animalia Ch. 12- Phylum Mollusca. Key Characteristics of Mollusks 2 nd largest animal phylum Marine, freshwater, and terrestrial Seven classes.
Phylum Mollusca Chapter 13 Part 1 of 3. General Characteristics Unsegmented Soft bodied critters - Bilateral symmetry Unsegmented Soft bodied critters.
Bilateral Symmetry