Topics of this game:
- What is a system of fluid circulation within organisms in which the fluid (typically blood) remains within vessels?
- What is a bundle of nerve cells?
- What is a member of the phylum that includes bivalves, gastropods, and cephalopods?
- What is the sheath of tissue that covers the body of a mollusk?
- What is the portion of a mollusk's body that contains its internal organs?
- What is a plate-like structure near the mouth of many mollusks bearing many tiny teeth used for scraping up food into the animal's mouth?
- What are tubes in many aquatic mollusks that is used to draw in or expel water?
- What is a member of the phylum that includes animals such as a sea star?
- What is a system of canals and tubes within echinoderms that functions in movement, circulating nutrients and capturing food?
- What is small, soft, tubular structure in echinoderms used for locomotion and food capture, part of the water-vascular system?
- What is a member of the phylum that including animals such as chelicerae and insects?
- What is an organic substance, derived from glucose, found in the cell walls of fungi and the exoskeletons of invertebrates?
- What is the periodic shedding of an exoskeleton, scales, feathers, or fur?
