Echinoderms: Sea star (top left), brittle star (top right), sea
urchin (bottom left), sea lily (bottom right),
Slide 53
Slide 54
1)Name the four characteristics of most mollusks. 2) Name the
three classes of mollusks and a representa- tive organism in
each.
Slide 55
1)Snails and slugs need a moist skin for.. 2) How does
circulation differ in the cephalopods compared to the other
mollusks? 3) How can nudibranches protect themselves?
Slide 56
1) Which of the following is least related to the others?
a.limpet b. nudibranch c. abalone d. scallop 2) Other than jewelry
(oysters) and food, for what purpose can mollusks be used?
Slide 57
1)Name three characteristics of all arthropods. 2) Name two
structures used for respiration.
Slide 58
What controls when an arthropod molts? In crayfish and other
decapods the claws are called ________. Horseshoe crabs are not
true crabs; their internal anatomy is more similar to that
of..
Slide 59
The chiton moves using its ______. Name two gastropods. What
are four common characteristics of most mollusks?