Terms
Body Functions
What Class
Miscellaneous
100
A soft-bodied invertebrate that usually has an internal or external shell.
What is a mollusk ?
100
A species that eats decaying organisms or detritus.
What is a Detritovore ?
100
Snail
What is Gastropod ?
100
Having both male and female reproductive organs.
What is Hermaphrodite ?
200
Cephalopods have a big head but no brain. True or False.
What is False ?
200
Circulatory system with no vessels. Organs are bathed in blood.
What is Open Circulatory System ?
200
Octopus
What is Cephalopod ?
200
The muscular foot of most cephalopods evolved into what?  

Arms and/or Tentacles

300
Give 2 reasons Mollusks are useful to humans.
What is food, water quality indicators, pollution clean-up, friends, neurological study, beauty, bait, ect...
300
Squid have a(n) __________ circulatory system.
What is closed ?
300
Clam
What is Bivalve ?
300

Where is the squid's shell?

Inside their body...The Beak

400
A fluid-filled cavity, lined with mesoderm.
What is Coelom ?
400

An efficient circulatory system with blood vessels

Closed

400
Squid
What is Cephalopod ?
400

Squid are soft-bodied.  What helps them keep their big head upright?  

Pens

500

What is Psuedocoelom ?  

A body cavity not lined with mesoderm

500

Tonge-like organ covered in sharp teeth

Radula

500
Cuttlefish
What is Cephalopod ?
500
The free-swimming larva stage of most Mollusks.
What is trochophore ?
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