Mollusk & Echino Jeopardy Mollusca General Mollusca Classification Echinodermata General Echinodermata Classification Pictures Final Jeopardy

What is the name of the layer of cells in mollusks that creates the shell? 2

Mantle 3

4 What is the name of the rasping tongue with teeth found in many mollusks?

5 Radula

6 These are special cells found in some mollusks that allow them to alter the appearance of their skin?

7 Chromatophores

8 How do pearls form and how do you get the three major colors of pearl?

9 A grain of sand is caught in between the shell and the mantle and shell is layered over the sand over time. White – Calcium Pink – Potassium Black - Magnesium

10 What is C, A, N, & G

11 C – GillsA – Excurrent Siphon N – CoelomG – Palps

12 Name 4 members of Class Bivalvia

13 Clams, Mussels, Oysters, Scallops, & Shipworms

14 Name the four Cephalopods

15 Squid, Octopus, Cuttlefish, & Nautilis

16 Snails belong to which Class of Phylum Mollusca?

17 Gastropoda

18 Chitons are the sole members of which Molluscan Class?

19 Polyplacophora

20 Describe how the following mollusks obtain their food… Clams Squid Cone Snails Slugs

21 Clams – filter feeding via siphons Squid – use their beaks to rip off flesh Cone Snails – use venomous harpoons to snag prey Slugs – eat plant material with radula

22 Are Echinoderms protostomes or deuterostomes?

23 Deuterostomes

24 Trace the path water takes through all structures of the water vascular system

25 Madreporite Stone Canal Ring Canal Radial Canal Ampullae Tube feet

26 What is the main difference between Echinoderm larvae and adults?

27 Larvae are bilaterally symmetrical Adults are Radially Symmetrical

28 How do the following Echinoderms eat? Sea Stars Sea Cucumbers Brittle Stars

29 Sea Stars – Use tube feet to create suction and pry open mollusk shells Sea Cucumbers – Eat sand and extract organic material Brittle Stars – Suspension feeding by snagging plankton floating by

30 What is G, L, B, & I

31 G – AmpullaL – Stomach B – GillsI – Digestive Gland

32 What type of animal is found in Class Asteroidea?

33 Sea Stars

34 What type of animal is found in Class Holothuroidea?

35 Sea Cucumbers

36 Brittle Stars & Basket Stars belong to which Class of Phylum Echinodermata?

37 Ophiuroidea

38 Sea Lilies & Feather Stars belong to which Class of Phylum Echinodermata?

39 Crinoidea

40 What major anatomical difference exists between sea stars versus brittle stars, basket stars, & sea lilies?

41 Sea Stars contain most of their vital organs in each arm The other group has all their organs contained within the central disk

42

37 Whelk & Conch

44

45 Cone Snail & Tusk Shell

46

47 Limpet & Chiton

48

49 Nudibranch & Cuttlefish

50

51 Feather Star & Abalone

52 What organisms are in the following Classes? Trematoda Oligochaeta Hexactinellida Anthozoa Turbellaria Hirudinea

53 Trematoda - Flukes Oligochaeta - Earthworms Hexactinellida - Glass Sponges Anthozoa - Corals & Anemones Turbellaria - Planarians Hirudinea - Leeches