Mollusca Characteristics Reading

  • Due No due date
  • Points 10
  • Submitting a text entry box

Go to: https://www.ck12.org/c/biology/mollusk-body/lesson/Mollusk-Body-Plans-Advanced-BIO-ADV/?referrer=concept_details Links to an external site. 

Read the article, then answer the following questions. DO NOT copy/paste. Yes, I can tell if you have. 

  1. What is the function of the operculum?
  2. Which mollusks usually have the largest mantle cavities?
  3. What are two prominent features found in cephalopods that deviate from the typical mollusk body plan?
  4. The gastropod foot is close to its: mouth, stomach, or lung?
  5. The mollusk's ________________________ mass contains most of its internal organs
  6. Which mollusk class has the largest mantle cavity and why? 
  7. Do bivalves have heads? 
  8. The class ____________________________ have a body plan in which the foot is modified into tentacles, and the visceral mass is in a more posterior position. 
  9. Cephalopods' radula is modified into a ____________________ for ripping apart prey. 
  10. Which class has their foot located more to the anterior side of the body? 
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