Phylum Mollusca Flashcards by Deleted Deleted

Q

Phylum Mollusca have what kind of shell?

A

Calciferous

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Q

What is the purpose of the Visceral Mass?

A

It contains various body systems

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Q

What is the Mantle of the Molluscs?

A

A cavity that contains gills/lungs

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Q

What protects the Mantle?

A

It protects and serves as carbonate shell, and secretes shells

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Q

Molluscs are typically

A

Soft bodies with hard exoskeleton

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Q

In which environments are Molluscs found in?

A

Both terrestrial and marine

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Q

How is the symmetry in Molluscs?

A

They are bilaterally symmetrical

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Q

How many tissues to Molluscs have?

A

Three, making them triploblasts

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Q

What level of organization do Molluscs have?

A

Tissue level

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Q

What are the three body parts of the Molluscs?

A

Head
Visceral Mass
Ventral Foot

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Q

How is the circulatory system?

A

Open, containing a hemocoel

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Q

What does the digestive system consist of?

A

Radula, with chitinous teeth

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Q

How do Molluscs respire?

A

Through gills or by the mantle cavity

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Q

What do Molluscs require for locomotion?

A

A ventral foot

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Q

Describe the well-developed excretory system?

A

Nephridia acts as a kidney
Waste is collected from the coelom
Waste is dumped into the mantle cavity

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