Mollusca
Squids
Classification & Movement
Random
100
What does the word "Mollusca" mean?
Soft-Bodied
100
TRUE OR FALSE
Squid have 7 hearts.
FALSE
100
What species is in Class Gastropoda
Gastropods: Snails, Slugs, Nudibranch
100
Which mollusk contains venom that could kill a human?
The blue ringed octopus
200
Current number of living species:
100,000
200
Which part of a squid propels the cephalopod forward?
Siphon
200
What species is in Class Bivalvia? 4
Clams, Oysters, Scallops, & Mussels
200
Which structure of a clam is this picture pointing to?
FOOT
300
What type of symmetry do MOST species of Mollusca have:
Bilateral
*Bonus: what species does not have bilateral symmetry in Mollusca?
300
What is the body part highlighted in yellow?
Esophagus
300
What species is in Class Cephalopoda? 4
Octopus, Squid, Cuttlefish, Nautilus
300
Has a colossal squid ever killed a human?
No
400
What is the shell of many mollusks made of?
Calcium carbonate
400
What is a radula?
A feeding structure made of tiny teeth that scrapes food
400
To move, cephalopods draw water into their [BLANK] cavity
MANTLE
400
Which mollusk lacks a radula? \
Clam
Slug
Squid
Octopus
Clam
500
Which is true of mollusks?
- They are triploblastic deuterostomes that are coelomates
- They are triploblastic protostomes that are pseudocoelomates
- They are triploblastic protostomes that are coelomates
- They are diploblastic protostomes that are coelomates
- They are diploblastic deuterostomes that are pseudocoelomates
They are triploblastic protostomes that are coelomates
500
This structure ejects a dark liquid in order for the squid to evade their predators
Ink Sac
500
Mollusks have a muscular [BLANK] that is used for moving
FOOT
500
TRUE OR FALSE
Mollusks can live in freshwater, saltwater, and on land.
TRUE