Curated OER
Phylum mollusca
This is an organized presentation that lists characteristics and features of their general body features. Mollusc is spelt with both a 'c' and a 'k' in various stages of this Powerpoint so an explanation by the teacher of Scientific...
Other
Cartage.org: Types of Circulatory Systems
This thorough resource examinces the several types of circulatory systems and provides drawings of these systems in molluscs, arthropods, and the earthworms.