Phylum Mollusca Flashcards
Phylum Mollusca have what kind of shell?
Calciferous
What is the purpose of the Visceral Mass?
It contains various body systems
What is the Mantle of the Molluscs?
A cavity that contains gills/lungs
What protects the Mantle?
It protects and serves as carbonate shell, and secretes shells
Molluscs are typically
Soft bodies with hard exoskeleton
In which environments are Molluscs found in?
Both terrestrial and marine
How is the symmetry in Molluscs?
They are bilaterally symmetrical
How many tissues to Molluscs have?
Three, making them triploblasts
What level of organization do Molluscs have?
Tissue level
What are the three body parts of the Molluscs?
- Head
- Visceral Mass
- Ventral Foot
How is the circulatory system?
Open, containing a hemocoel
What does the digestive system consist of?
Radula, with chitinous teeth
How do Molluscs respire?
Through gills or by the mantle cavity
What do Molluscs require for locomotion?
A ventral foot
Describe the well-developed excretory system?
- Nephridia acts as a kidney
- Waste is collected from the coelom
- Waste is dumped into the mantle cavity
