7th Grade Science Final review

In what type of environment do MOST mollusks live?

• Soil
• Freshwater
• Marine
• Terrestrial

Which part of the Mollusk body is specialized for burrowing, feeding, and movement?

• trochophores
• visceral mass
• mantle
• foot

What type of symmetry do MOST mollusks have?

• Bilateral
• Radial
• Circular
• Asymmetrical

Which class of Mollusks include clams, oysters, and mussels?

• Gastropods
• Bivalves
• Cephalopods

Which class of Mollusks include squid, cuttlefish and octopus?

• Gastropods
• Bivalves
• Caphalopods

Which class of Mollusks includes snails, slugs, or nudibranches?

• Cephalapods
• Bivalves
• Gastropods

Which class of Mollusks include organisms that all have two shells?

• Gastropods
• Bivalves
• Cephalopods

Which part of the Mollusk body is the tissue covering the body and secretes the shell?

• Mantle
• Trochophore
• Foot
• Visceral Mass

Which class of Mollusks include organisms that have camera-like eyes similar to humans?

• Gastropods
• Bivalves
• Cephalopods

Which class of Mollusks is the only class with some terrestrial species?

• Gastropods
• Bivalves
• Cephalopods