Question

26. After finals, as is your tradition, you head to the local seafood buffet. This buffet is massive and includes your favorite foods: shrimp, crab and lobster – all of which belong to Subphylum

a. Chelicerata

b. Myriapoda

c. Crustacea

d. Hexapoda

27. Subphylum _____________________________ contains organisms whose common name means ‘100 feet’ and organisms whose common name means ‘1000 feet’.

a. Chelicerata

b. Myriapoda

c. Crustacea

d. Hexapoda

28. Echinoderms are the only group of organisms that have a water vascular system. What are two functions of the water vascular system? (2)

29. Trace the path of a water molecule as it moves from the ocean into and throughout the water vascular system of a sea star. (3)

___1__ madreporite

______ tube feet

______ ampullae

______ ring canal

______ lateral canal

______ stone canal

______ radial canal

30. Larval echinoderms exhibit _________________________________________________ symmetry.

a. bilateral

b. asymmetry

c. radial

d. pentamerous

31. Adult echinoderms exhibit __________________________________________________ symmetry.

a. bilateral

b. asymmetry

c. radial

d. pentamerous radial

32. These echinoderms look like plants and are suspension feeders.

a. Class Asteroidea

b. Class Ophiuroidea

c. Class Crinoidea

d. Class Holothuroidea

e. Class Echinoidea

33. These echinoderms are active predators

a. Class Asteroidea

b. Class Ophiuroidea

c. Class Crinoidea

d. Class Holothuroidea

e. Class Echinoidea

34. These echinoderms are deposit feeders whose arms are used for locomotion and tube feet for feeding. They lack an auss (unusual for echinoderms). Often when under attack, the arms of these organism can break off and distract the predator.

a. Class Asteroidea

b. Class Ophiuroidea

c. Class Crinoidea

d. Class Holothuroidea

e. Class Echinoidea

35. These echinoderms are also deposit feeders who have the unique defense of shooting internal organs out their anuus when harassed.

a. Class Asteroidea

b. Class Ophiuroidea

c. Class Crinoidea

d. Class Holothuroidea

e. Class Echinoidea

36. These echinoderms are herbivores and therefore have very long intestines (relative to other echinoderms).

a. Class Asteroidea

b. Class Ophiuroidea

c. Class Crinoidea

d. Class Holothuroidea

e. Class Echinoidea

37. All Chordates have five characteristics in common, list them below. (5)

38. Tunicates belong to Subphylum

a. Vertebrata

b. Urochordata

c. Cephalochordata

39. Lancelets belong to Subphylum

a. Vertebrata

b. Urochordata

c. Cephalochordata

40. What single unique characteristic distinguishes organisms in Subphylum Vertebrata from all other organisms? (2)

41. Which of the following animals lack a hinged jaw?

a. hagfish (Superclass Cyclostomata)

b. amphibians (Class Amphibia)

c. reptiles (Class Reptilia)

d. skates and rays (Class Chondrichthyes)

42. Which of the following animals are parasitic?

a. sea lampreys (Superclass Cyclostomata)

b. amphibians (Class Amphibia)

c. reptiles (Class Reptilia)

d. skates and rays (Class Chondrichthyes)

43. Which of the following animals have a swim bladder?

a. sea lampreys (Superclass Cyclostomata)

b. skates and rays (Class Chondrichthyes)

c. ray-finned fish (Subclass Actinopterygii)

44. Why do most sharks have to keep swimming in order to breathe, but goldfish (for example) do not? (2)

45. Which of the following animal skeletons are composed mostly of cartilage?

a. amphibians (Class Amphibia)

b. skates and rays (Class Chondrichthyes)

c. ray-finned (Subclass Actinopterygii)

b. lobe-finned (Subclass Saropterygii)

46. All of the following are lineages of lobe-finned fish except

a. tetrapods

b. coelacanths

c. lungfish

d. sea lampreys

47. Why do researchers think that terrestrial animals (tetrapods) arose from the lobe-finned fish lineage? (4)

Answer 1