chapter 27 – worms and mollusks a
DESCRIPTION
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. - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/1.jpg)
Chapter 27 – Worms and Mollusks A
$100
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Topic 1 Topic 2 Topic 3 Topic 4 Topic 5
FINAL ROUND
![Page 2: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/2.jpg)
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. leechesBACK TO GAME
ANSWER
![Page 3: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/3.jpg)
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. leechesBACK TO GAME
![Page 4: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/4.jpg)
Topic 1:
$200 Question
Some snails and other mollusks never seem to develop any form of ___________.
a. mucus
b. polychaetes
c. trochophores
d. cancer
BACK TO GAME
ANSWER
![Page 5: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/5.jpg)
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
![Page 6: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/6.jpg)
Topic 1:
$300 Question
The type of embryonic tissue that lines a true coelom is called _________.
a. mesoderm
b. gastroderm
c. endoderm
d. ectodermBACK TO GAME
ANSWER
![Page 7: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/7.jpg)
Topic 1:
$300 Answer
The type of embryonic tissue that lines a true coelom is called _________.
a. mesoderm
b. gastroderm
c. endoderm
d. ectodermBACK TO GAME
![Page 8: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/8.jpg)
Topic 1:
$400 Question
Many free-living roundworms are __________, which are animals that eat other animals.
a. herbivores
b. carnivores
c. detritivores
d. bacteriaBACK TO GAME
ANSWER
![Page 9: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/9.jpg)
Topic 1:
$400 Answer
Many free-living roundworms are __________, which are animals that eat other animals.
a. herbivores
b. carnivores
c. detritivores
d. bacteriaBACK TO GAME
![Page 10: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/10.jpg)
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. footBACK TO GAME
ANSWER
![Page 11: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/11.jpg)
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. footBACK TO GAME
![Page 12: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/12.jpg)
Topic 2:
$100 Question
The primary host of Schistosoma mansoni is a(an)
a. flatworm
b. sheep
c. human
d. dog
BACK TO GAME
ANSWER
![Page 13: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/13.jpg)
Topic 2:
$100 Answer
The primary host of Schistosoma mansoni is a(an)
a. flatworm
b. sheep
c. human
d. dog
BACK TO GAME
![Page 14: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/14.jpg)
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 silkBACK TO GAME
ANSWER
![Page 15: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/15.jpg)
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 silkBACK TO GAME
![Page 16: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/16.jpg)
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
BACK TO GAME
ANSWER
![Page 17: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/17.jpg)
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
![Page 18: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/18.jpg)
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
BACK TO GAME
ANSWER
![Page 19: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/19.jpg)
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
![Page 20: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/20.jpg)
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. prokaryoticBACK TO GAME
ANSWER
![Page 21: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/21.jpg)
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. prokaryoticBACK TO GAME
![Page 22: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/22.jpg)
Topic 3:
$100 Question
Many aquatic mollusks have a free-swimming larval stage, called a(an) ___________ larva.
a. trochophore
b. carnivorous
c. herbivorous
d. prokaryoticBACK TO GAME
ANSWER
![Page 23: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/23.jpg)
Topic 3:
$100 Answer
Many aquatic mollusks have a free-swimming larval stage, called a(an) ___________ larva.
a. trochophore
b. carnivorous
c. herbivorous
d. prokaryoticBACK TO GAME
![Page 24: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/24.jpg)
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. ChondrichthaetaBACK TO GAME
ANSWER
![Page 25: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/25.jpg)
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. ChondrichthaetaBACK TO GAME
![Page 26: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/26.jpg)
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. closedBACK TO GAME
ANSWER
![Page 27: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/27.jpg)
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. closedBACK TO GAME
![Page 28: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/28.jpg)
Topic 3:
$400 Question
Sandworms and bloodworms are members of the class of marine annelids called ____________.
a. oligochaetes
b. polychaetes
c. sandsofIwoJimaetes
d. chondrichthaetesBACK TO GAME
ANSWER
![Page 29: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/29.jpg)
Topic 3:
$400 Answer
Sandworms and bloodworms are members of the class of marine annelids called ____________.
a. oligochaetes
b. polychaetes
c. sandsofIwoJimaetes
d. chondrichthaetesBACK TO GAME
![Page 30: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/30.jpg)
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 crawlerBACK TO GAME
ANSWER
![Page 31: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/31.jpg)
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 crawlerBACK TO GAME
![Page 32: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/32.jpg)
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.
BACK TO GAME
ANSWER
![Page 33: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/33.jpg)
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
![Page 34: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/34.jpg)
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.
BACK TO GAME
ANSWER
![Page 35: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/35.jpg)
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
![Page 36: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/36.jpg)
Topic 4:
$300 Question
A type of worm that is an external parasite is the
a. tapeworm.
b. polychaete.
c. leech.
d. earthworm.BACK TO GAME
ANSWER
![Page 37: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/37.jpg)
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
![Page 38: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/38.jpg)
Topic 4:
$400 Question
What causes the disease called elephantiasis?
a. flukes
b. ascarid worms
c. hookworms
d. filarial wormsBACK TO GAME
ANSWER
![Page 39: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/39.jpg)
Topic 4:
$400 Answer
What causes the disease called elephantiasis?
a. flukes
b. ascarid worms
c. hookworms
d. filarial wormsBACK TO GAME
![Page 40: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/40.jpg)
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.BACK TO GAME
ANSWER
![Page 41: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/41.jpg)
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
![Page 42: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/42.jpg)
Topic 5:
$100 Question
Earthworms benefit gardeners because their tunnels provide passageways for
a. leeches.
b. polychaetes.
c. plant roots and water.
d. planarians.
BACK TO GAME
ANSWER
![Page 43: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/43.jpg)
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
![Page 44: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/44.jpg)
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.
BACK TO GAME
ANSWER
![Page 45: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/45.jpg)
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
![Page 46: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/46.jpg)
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.
BACK TO GAME
ANSWER
![Page 47: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/47.jpg)
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
![Page 48: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/48.jpg)
Topic 5:
$400 Question
The most active mollusks are the
a. bivalves.
b. cephalopods.
c. gastropods.
d. nudibranchs.
BACK TO GAME
ANSWER
![Page 49: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/49.jpg)
Topic 5:
$400 Answer
The most active mollusks are the
a. bivalves.
b. cephalopods.
c. gastropods.
d. nudibranchs.
BACK TO GAME
![Page 50: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/50.jpg)
Topic 5:
$500 Question
A pond snail is an example of a(an)
a. roundworm.
b. flatworm.
c. annelid.
d. gastropod.
BACK TO GAME
ANSWER
![Page 51: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/51.jpg)
Topic 5:
$500 Answer
A pond snail is an example of a(an)
a. roundworm.
b. flatworm.
c. annelid.
d. gastropod.
BACK TO GAME
![Page 52: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/52.jpg)
FINAL ROUND Question
Question:
a. Choice 1
b. Choice 2
c. Choice 3
d. Choice 4
BACK TO GAME
ANSWER
![Page 53: Chapter 27 – Worms and Mollusks A](https://reader035.vdocuments.site/reader035/viewer/2022081511/56815d96550346895dcbb242/html5/thumbnails/53.jpg)
FINAL ROUND Answer
Question:
a. Choice 1
b. Choice 2
c. Choice 3 (correct answer)
d. Choice 4
BACK TO GAME