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

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

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

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

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

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

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

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

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

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

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

The primary host of Schistosoma mansoni is a(an) a. flatworm b. sheep 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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

c. Parasitic roundworms lack a reproductive system. 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

c. Parasitic roundworms lack a reproductive system. 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

a. Both groups have setae. b. Both groups have a trochophore larva. 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

a. Both groups have setae. b. Both groups have a trochophore larva. 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

A type of worm that is an external parasite is the 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

A type of worm that is an external parasite is the 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

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

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

Earthworms are oligochaetes because they 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

Earthworms are oligochaetes because they 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

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

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

a. Bivalves are largely sedentary, while squids move quickly. 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

a. Bivalves are largely sedentary, while squids move quickly. 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

c. a body cavity between the ectoderm and mesoderm. d. no body cavity. 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

c. a body cavity between the ectoderm and mesoderm. d. no body cavity. 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

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

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

A pond snail is an example of a(an) 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

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

Question: a. Choice 1 b. Choice 2 c. Choice 3 d. Choice 4 FINAL ROUND Question Question: a. Choice 1 b. Choice 2 c. Choice 3 d. Choice 4 ANSWER BACK TO GAME

c. Choice 3 (correct answer) d. Choice 4 FINAL ROUND Answer Question: a. Choice 1 b. Choice 2 c. Choice 3 (correct answer) d. Choice 4 BACK TO GAME