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Chapter 27 – Worms and Mollusks A

Chapter 27 – Worms and Mollusks A. Topic 1. Topic 2. Topic 3. Topic 4. Topic 5. $100. $100. $100. $ 100. $100. $200. $200. $200. $200. $200. $300. $300. $300. $300. $300. $400. $400. $400. $400. $400. $500. $500. $500. $500. $500. FINAL ROUND.

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Chapter 27 – Worms and Mollusks A

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  1. Chapter 27 – Worms and Mollusks A Topic 1 Topic 2 Topic 3 Topic 4 Topic 5 $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500 FINAL ROUND

  2. Topic 1:$100 Question • The simplest animals to have three embryonic germ layers. Bilateral symmetry, and cephalization are the ___________. • a. nematodes • b. roundworms • c. flatworms • d. leeches ANSWER BACK TO GAME

  3. Topic 1:$100 Answer • The simplest animals to have three embryonic germ layers. Bilateral symmetry, and cephalization are the ___________. • a. nematodes • b. roundworms • c. flatworms • d. leeches BACK TO GAME

  4. Topic 1:$200 Question • Some snails and other mollusks never seem to develop any form of ___________. • a. mucus • b. polychaetes • c. trochophores • d. cancer ANSWER BACK TO GAME

  5. Topic 1:$200 Answer • Some snails and other mollusks never seem to develop any form of ___________. • a. mucus • b. polychaetes • c. trochophores • d. cancer BACK TO GAME

  6. Topic 1:$300 Question • The type of embryonic tissue that lines a true coelom is called _________. • a. mesoderm • b. gastroderm • c. endoderm • d. ectoderm ANSWER BACK TO GAME

  7. Topic 1:$300 Answer • The type of embryonic tissue that lines a true coelom is called _________. • a. mesoderm • b. gastroderm • c. endoderm • d. ectoderm BACK TO GAME

  8. Topic 1:$400 Question • Many free-living roundworms are __________, which are animals that eat other animals. • a. herbivores • b. carnivores • c. detritivores • d. bacteria ANSWER BACK TO GAME

  9. Topic 1:$400 Answer • Many free-living roundworms are __________, which are animals that eat other animals. • a. herbivores • b. carnivores • c. detritivores • d. bacteria BACK TO GAME

  10. Topic 1:$500 Question • Roundworms have a tube-within-a-tube digestive tract with two openings—a mouth and a(an) ___________. • a. gut • b. anus • c. belly • d. foot ANSWER BACK TO GAME

  11. Topic 1:$500 Answer • Roundworms have a tube-within-a-tube digestive tract with two openings—a mouth and a(an) ___________. • a. gut • b. anus • c. belly • d. foot BACK TO GAME

  12. Topic 2:$100 Question • The primary host of Schistosoma mansoni is a(an) • a. flatworm • b. sheep • c. human • d. dog ANSWER BACK TO GAME

  13. Topic 2:$100 Answer • The primary host of Schistosomamansoniis a(an) • a. flatworm • b. sheep • c. human • d. dog BACK TO GAME

  14. Topic 2:$200 Question • A filter-feeding annelid fans water through tubelike burrows and catches food particles in a ____________ bag. • a. shopping • b. filter • c. mucus • d. woven silk ANSWER BACK TO GAME

  15. Topic 2:$200 Answer • A filter-feeding annelid fans water through tubelike burrows and catches food particles in a ____________ bag. • a. shopping • b. filter • c. mucus • d. woven silk BACK TO GAME

  16. Topic 2:$300 Question • The foot of most cephalopods is divided into eight or more arms called ____________. • a. sporangia • b. tentacles • c. tail fibers • d. toes ANSWER BACK TO GAME

  17. Topic 2:$300 Answer • The foot of most cephalopods is divided into eight or more arms called ____________. • a. sporangia • b. tentacles • c. tail fibers • d. toes BACK TO GAME

  18. Topic 2:$400 Question • The shell of most mollusks is composed of ____________, which is secreted by glands in the mantle. • a. chitin • b. proteins • c. calcium carbonate • d. sodium bicarbonate ANSWER BACK TO GAME

  19. Topic 2:$400 Answer • The shell of most mollusks is composed of ____________, which is secreted by glands in the mantle. • a. chitin • b. proteins • c. calcium carbonate • d. sodium bicarbonate BACK TO GAME

  20. Topic 2:$500 Question • A marine animal that has a(an) _______________ larva and a true coelom could be either an annelid or a mollusk—it is impossible to classify it without further information. • a. polychaete • b. trochophore • c. carnivorous • d. prokaryotic ANSWER BACK TO GAME

  21. Topic 2:$500 Answer • A marine animal that has a(an) _______________ larva and a true coelom could be either an annelid or a mollusk—it is impossible to classify it without further information. • a. polychaete • b. trochophore • c. carnivorous • d. prokaryotic BACK TO GAME

  22. Topic 3:$100 Question • Many aquatic mollusks have a free-swimming larval stage, called a(an) ___________ larva. • a. trochophore • b. carnivorous • c. herbivorous • d. prokaryotic ANSWER BACK TO GAME

  23. Topic 3:$100 Answer • Many aquatic mollusks have a free-swimming larval stage, called a(an) ___________ larva. • a. trochophore • b. carnivorous • c. herbivorous • d. prokaryotic BACK TO GAME

  24. Topic 3:$200 Question • Bottom-dwelling annelids from the class __________ are important in marine ecosystems and form part of the diets of fishes and crustaceans. • a. Polychaeta • b. Oligochaeta • c. SandsofIwoJimaeta • d. Chondrichthaeta ANSWER BACK TO GAME

  25. Topic 3:$200 Answer • Bottom-dwelling annelids from the class __________ are important in marine ecosystems and form part of the diets of fishes and crustaceans. • a. Polychaeta • b. Oligochaeta • c. SandsofIwoJimaeta • d. Chondrichthaeta BACK TO GAME

  26. Topic 3:$300 Question • Annelids have a(an) ________ circulatory system, in which blood is contained in a network of blood vessels. • a. open • b. semi-tubular • c. nephridic • d. closed ANSWER BACK TO GAME

  27. Topic 3:$300 Answer • Annelids have a(an) ________ circulatory system, in which blood is contained in a network of blood vessels. • a. open • b. semi-tubular • c. nephridic • d. closed BACK TO GAME

  28. Topic 3:$400 Question • Sandworms and bloodworms are members of the class of marine annelids called ____________. • a. oligochaetes • b. polychaetes • c. sandsofIwoJimaetes • d. chondrichthaetes ANSWER BACK TO GAME

  29. Topic 3:$400 Answer • Sandworms and bloodworms are members of the class of marine annelids called ____________. • a. oligochaetes • b. polychaetes • c. sandsofIwoJimaetes • d. chondrichthaetes BACK TO GAME

  30. Topic 3:$500 Question • The larvae of the roundworm species named __________ form cycts in the host’s muscle tissue. • a. Trichinella • b. Schistomyosin • c. leech • d. night crawler ANSWER BACK TO GAME

  31. Topic 3:$500 Answer • The larvae of the roundworm species named __________ form cycts in the host’s muscle tissue. • a. Trichinella • b. Schistomyosin • c. leech • d. night crawler BACK TO GAME

  32. Topic 4:$100 Question • How do the body systems of parasitic roundworms generally compare to those of free-living roundworms? • a. They are more complex. • b. They are simpler. • c. Parasitic roundworms lack a reproductive system. • d. Free-living roundworms have an internal transport system. ANSWER BACK TO GAME

  33. Topic 4:$100 Answer • How do the body systems of parasitic roundworms generally compare to those of free-living roundworms? • a. They are more complex. • b. They are simpler. • c. Parasitic roundworms lack a reproductive system. • d. Free-living roundworms have an internal transport system. BACK TO GAME

  34. Topic 4:$200 Question • Which of the following is evidence that mollusks and annelids may be closely related? • a. Both groups have setae. • b. Both groups have a trochophore larva. • c. Neither group has lungs. • d. Both groups include both marine and terrestrial animals. ANSWER BACK TO GAME

  35. Topic 4:$200 Answer • Which of the following is evidence that mollusks and annelids may be closely related? • a. Both groups have setae. • b. Both groups have a trochophore larva. • c. Neither group has lungs. • d. Both groups include both marine and terrestrial animals. BACK TO GAME

  36. Topic 4:$300 Question • A type of worm that is an external parasite is the • a. tapeworm. • b. polychaete. • c. leech. • d. earthworm. ANSWER BACK TO GAME

  37. Topic 4:$300 Answer • A type of worm that is an external parasite is the • a. tapeworm. • b. polychaete. • c. leech. • d. earthworm. BACK TO GAME

  38. Topic 4:$400 Question • What causes the disease called elephantiasis? • a. flukes • b. ascarid worms • c. hookworms • d. filarial worms ANSWER BACK TO GAME

  39. Topic 4:$400 Answer • What causes the disease called elephantiasis? • a. flukes • b. ascarid worms • c. hookworms • d. filarial worms BACK TO GAME

  40. Topic 4:$500 Question • Earthworms are oligochaetes because they • a. have just a few setae on each segment. • b. reproduce sexually. • c. have bodies made up of identical segments. • d. are parasitic. ANSWER BACK TO GAME

  41. Topic 4:$500 Answer • Earthworms are oligochaetes because they • a. have just a few setae on each segment. • b. reproduce sexually. • c. have bodies made up of identical segments. • d. are parasitic. BACK TO GAME

  42. Topic 5:$100 Question • Earthworms benefit gardeners because their tunnels provide passageways for • a. leeches. • b. polychaetes. • c. plant roots and water. • d. planarians. ANSWER BACK TO GAME

  43. Topic 5:$100 Answer • Earthworms benefit gardeners because their tunnels provide passageways for • a. leeches. • b. polychaetes. • c. plant roots and water. • d. planarians. BACK TO GAME

  44. Topic 5:$200 Question • Why is an open circulatory system adequate for a bivalve, such as a clam, but not for a cephalopod, such as a squid? • a. Bivalves are largely sedentary, while squids move quickly. • b. Bivalves have relatively high oxygen demands. • c. Cephalopods have relatively low oxygen demands. • d. Bivalves are filter-feeders, and cephalopods are plant eaters. ANSWER BACK TO GAME

  45. Topic 5:$200 Answer • Why is an open circulatory system adequate for a bivalve, such as a clam, but not for a cephalopod, such as a squid? • a. Bivalves are largely sedentary, while squids move quickly. • b. Bivalves have relatively high oxygen demands. • c. Cephalopods have relatively low oxygen demands. • d. Bivalves are filter-feeders, and cephalopods are plant eaters. BACK TO GAME

  46. Topic 5:$300 Question • Mollusks have • a. a pseudocoelom. • b. a true coelom. • c. a body cavity between the ectoderm and mesoderm. • d. no body cavity. ANSWER BACK TO GAME

  47. Topic 5:$300 Answer • Mollusks have • a. a pseudocoelom. • b. a true coelom. • c. a body cavity between the ectoderm and mesoderm. • d. no body cavity. BACK TO GAME

  48. Topic 5:$400 Question • The most active mollusks are the • a. bivalves. • b. cephalopods. • c. gastropods. • d. nudibranchs. ANSWER BACK TO GAME

  49. Topic 5:$400 Answer • The most active mollusks are the • a. bivalves. • b. cephalopods. • c. gastropods. • d. nudibranchs. BACK TO GAME

  50. Topic 5:$500 Question • A pond snail is an example of a(an) • a. roundworm. • b. flatworm. • c. annelid. • d. gastropod. ANSWER BACK TO GAME

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