1. Chapter 28 – Arthropods and Echinoderms A
Topic 1
Topic 2
Topic 3
Topic 4
Topic 5
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FINAL ROUND

2. The structures labeled X in Figure 28-1 are filled with
Topic 1: $100 Question
The structures labeled X in
Figure 28-1 are filled with
a. water.
b. blood.
c. air.
d. nitrogenous wastes.
ANSWER
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3. The structures labeled X in Figure 28-1 are filled with
Topic 1: $100 Answer
The structures labeled X in
Figure 28-1 are filled with
a. water.
b. blood.
c. air.
d. nitrogenous wastes.
BACK TO GAME

4. Topic 1: $200 Question
On the chelicerate in Figure 28-2, the appendage labeled 1 ia a(an) _____________.
a. cheliped
b. antenna
c. eye
d. pedipalp
ANSWER
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5. Topic 1: $200 Answer
On the chelicerate in Figure 28-2, the appendage labeled 1 ia a(an) _____________.
a. cheliped
b. antenna
c. eye
d. pedipalp
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6. Topic 1: $300 Question
On the chelicerate in Figure 28-2, the appendages labeled 2, which contain fangs, are called ________.
a. pedipalps
b. legs
c. chelicerae
d. trichomes
ANSWER
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7. Topic 1: $300 Answer
On the chelicerate in Figure 28-2, the appendages labeled 2, which contain fangs, are called ________.
a. pedipalps
b. legs
c. chelicerae
d. trichomes
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8. Insects have _______ pairs of legs.
Topic 1: $400 Question
Insects have _______ pairs of legs.
a. two
b. three
c. five
d. six
ANSWER
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9. Insects have _______ pairs of legs.
Topic 1: $400 Answer
Insects have _______ pairs of legs.
a. two
b. three
c. five
d. six
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10. In echinoderms. Body parts usually occur in multiples of
Topic 1: $500 Question
In echinoderms. Body parts usually occur in multiples of
a. two.
b. three.
c. five.
d. seven.
ANSWER
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11. In echinoderms. Body parts usually occur in multiples of
Topic 1: $500 Answer
In echinoderms. Body parts usually occur in multiples of
a. two.
b. three.
c. five.
d. seven.
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12. An example of an insect that undergoes incomplete metamorphosis is the
Topic 2: $100 Question
An example of an insect that undergoes incomplete metamorphosis is the
a. moth.
b. ladybug.
c. chinch bug.
d. bee.
ANSWER
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13. An example of an insect that undergoes incomplete metamorphosis is the
Topic 2: $100 Answer
An example of an insect that undergoes incomplete metamorphosis is the
a. moth.
b. ladybug.
c. chinch bug.
d. bee.
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14. In most species of echinoderms, respiration occurs mainly in the
Topic 2: $200 Question
In most species of echinoderms, respiration occurs mainly in the
a. tube feet.
b. madreporite.
c. radial canals.
d. ring canal.
ANSWER
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15. In most species of echinoderms, respiration occurs mainly in the
Topic 2: $200 Answer
In most species of echinoderms, respiration occurs mainly in the
a. tube feet.
b. madreporite.
c. radial canals.
d. ring canal.
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16. Topic 2: $300 Question
In the Great Barrier Reef of Australia, extensive areas of coral have been destroyed by the crown of thorns, which is a type of
a. sea urchin.
b. sea star.
c. sea lily.
d. sea cucumber.
ANSWER
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17. Topic 2: $300 Answer
In the Great Barrier Reef of Australia, extensive areas of coral have been destroyed by the crown of thorns, which is a type of
a. sea urchin.
b. sea star.
c. sea lily.
d. sea cucumber.
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18. Sea lilies and feather stars
Topic 2: $400 Question
Sea lilies and feather stars
a. Make up the oldest class of echinoderms.
b. Feed by scraping algae from rocks.
c. Are the only echinoderms that live in fresh water.
d. Are disk-shaped echinoderms that often burrow into the sand.
ANSWER
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19. Sea lilies and feather stars
Topic 2: $400 Answer
Sea lilies and feather stars
a. Make up the oldest class of echinoderms.
b. Feed by scraping algae from rocks.
c. Are the only echinoderms that live in fresh water.
d. Are disk-shaped echinoderms that often burrow into the sand.
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20. a. The tube feet are attached to the ring canal..
Topic 2: $500 Question
Which of the following statements about the water vascular system of echinoderms is correct?
a. The tube feet are attached to the ring canal..
b. Each radial canal opens to the outside.
c. The madreporite forms a circle around the animal’s mouth.
d. The ring canal connects to the madreporite.
ANSWER
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21. a. The tube feet are attached to the ring canal..
Topic 2: $500 Answer
Which of the following statements about the water vascular system of echinoderms is correct?
a. The tube feet are attached to the ring canal..
b. Each radial canal opens to the outside.
c. The madreporite forms a circle around the animal’s mouth.
d. The ring canal connects to the madreporite.
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22. Two echinoderms that are in the same class are
Topic 3: $100 Question
Two echinoderms that are in the same class are
a. brittle stars and sea stars.
b. sea stars and sea cucumbers.
c. sea urchins and sand dollars.
d. sea cucumbers and sea urchins.
ANSWER
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23. Two echinoderms that are in the same class are
Topic 3: $100 Answer
Two echinoderms that are in the same class are
a. brittle stars and sea stars.
b. sea stars and sea cucumbers.
c. sea urchins and sand dollars.
d. sea cucumbers and sea urchins.
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24. Which of these events is the first to happen when an arthropod molts?
Topic 3: $200 Question
Which of these events is the first to happen when an arthropod molts?
a. The animal fills with air or fluids.
b. A new skeleton is secreted.
c. The animal pulls itself out of the original skeleton.
d. Skin glands digest the inner part of the skeleton.
ANSWER
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25. Which of these events is the first to happen when an arthropod molts?
Topic 3: $200 Answer
Which of these events is the first to happen when an arthropod molts?
a. The animal fills with air or fluids.
b. A new skeleton is secreted.
c. The animal pulls itself out of the original skeleton.
d. Skin glands digest the inner part of the skeleton.
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26. Which of the following is true of arthropods?
Topic 3: $300 Question
Which of the following is true of arthropods?
a. They are all plant eaters.
b. There are more species of arthropods than any other group of animals.
c. They live only on land.
d. Fossil arthropods appear recently compared to other animal groups.
ANSWER
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27. Which of the following is true of arthropods?
Topic 3: $300 Answer
Which of the following is true of arthropods?
a. They are all plant eaters.
b. There are more species of arthropods than any other group of animals
c. They live only on land.
d. Fossil arthropods appear recently compared to other animal groups.
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28. Typical primitive arthropods had bodies that were composed of
Topic 3: $400 Question
Typical primitive arthropods had bodies that were composed of
a. many segments.
b. one segment.
c. three segments.
d. no segments.
ANSWER
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29. Typical primitive arthropods had bodies that were composed of
Topic 3: $400 Answer
Typical primitive arthropods had bodies that were composed of
a. many segments.
b. one segment.
c. three segments.
d. no segments.
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30. The appendages of arthropods are a. found only on the head.
Topic 3: $500 Question
The appendages of arthropods are
a. found only on the head.
b. hard and immovable.
c. divided into six branches.
d. jointed and extend from the body wall.
ANSWER
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31. The appendages of arthropods are a. found only on the head.
Topic 3: $500 Answer
The appendages of arthropods are
a. found only on the head.
b. hard and immovable.
c. divided into six branches.
d. jointed and extend from the body wall.
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32. Topic 4: $100 Question
What substance found in the skeleton of a desert-dwelling beetle is likely to be absent from the skeleton of an aquatic beetle?
a. silk
b. chitin
c. wax
d. protein
ANSWER
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33. Topic 4: $100 Answer
What substance found in the skeleton of a desert-dwelling beetle is likely to be absent from the skeleton of an aquatic beetle?
a. silk
b. chitin
c. wax
d. protein
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34. Which of the following invertebrates is NOT a crustacean?
Topic 4: $200 Question
Which of the following invertebrates is NOT a crustacean?
a. fiddler crab
b. barnacle
c. crayfish
d. horseshoe crab
ANSWER
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35. Which of the following invertebrates is NOT a crustacean?
Topic 4: $200 Answer
Which of the following invertebrates is NOT a crustacean?
a. fiddler crab
b. barnacle
c. crayfish
d. horseshoe crab
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36. b. Can distinguish sugar water from salt water by sight.
Topic 4: $300 Question
If a butterfly touches sugar water with one of its legs, it usually will begin to feed. If it touches salt water, it usually will not feed. The most likely explanation for this difference in response is that butterflies
a. Use the ears behind their legs to distinguish sugar water from salt water.
b. Can distinguish sugar water from salt water by sight.
c. Have chemical receptors for taste on their legs.
d. Cannot tell the difference between sugar water and salt water.
ANSWER
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37. b. Can distinguish sugar water from salt water by sight.
Topic 4: $300 Answer
If a butterfly touches sugar water with one of its legs, it usually will begin to feed. If it touches salt water, it usually will not feed. The most likely explanation for this difference in response is that butterflies
a. Use the ears behind their legs to distinguish sugar water from salt water.
b. Can distinguish sugar water from salt water by sight.
c. Have chemical receptors for taste on their legs.
d. Cannot tell the difference between sugar water and salt water.
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38. The respiratory organ in terrestrial chelicerates is the
Topic 4: $400 Question
The respiratory organ in terrestrial chelicerates is the
a. chelicera.
b. book gill.
c. book lung.
d. pedipalp.
ANSWER
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39. The respiratory organ in terrestrial chelicerates is the
Topic 4: $400 Answer
The respiratory organ in terrestrial chelicerates is the
a. chelicera.
b. book gill.
c. book lung.
d. pedipalp.
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40. One difference between a nymph and a larva is that a nymph
Topic 4: $500 Question
One difference between a nymph and a larva is that a nymph
a. molts to become a pupa, but a larva molts to become an adult.
b. is specialized for reproduction, but a larva is not.
c. can fly, but a larva cannot.
d. resembles an adult of the same species, but a larva does not.
ANSWER
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41. One difference between a nymph and a larva is that a nymph
Topic 4: $500 Answer
One difference between a nymph and a larva is that a nymph
a. molts to become a pupa, but a larva molts to become an adult.
b. is specialized for reproduction, but a larva is not.
c. can fly, but a larva cannot.
d. resembles an adult of the same species, but a larva does not.
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42. a. number of straight runs in the dance.
Topic 5: $100 Question
When a honeybee performs the waggle dance, the direction of the food is indicated by the
a. number of straight runs in the dance.
b. frequency with which the bee changes direction.
c. direction of the straight run.
d. number of circles in the dance.
ANSWER
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43. a. number of straight runs in the dance.
Topic 5: $100 Answer
When a honeybee performs the waggle dance, the direction of the food is indicated by the
a. number of straight runs in the dance.
b. frequency with which the bee changes direction.
c. direction of the straight run.
d. number of circles in the dance.
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44. Honeybees use dances to a. lure insects of other species.
Topic 5: $200 Question
Honeybees use dances to
a. lure insects of other species.
b. attract mates.
c. signal the death of a member of the colony.
d. convey information about food sources.
ANSWER
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45. Honeybees use dances to a. lure insects of other species.
Topic 5: $200 Answer
Honeybees use dances to
a. lure insects of other species.
b. attract mates.
c. signal the death of a member of the colony.
d. convey information about food sources.
BACK TO GAME

46. Echinoderms are like vertebrates in that echinoderms
Topic 5: $300 Question
Echinoderms are like vertebrates in that echinoderms
a. are brilliantly symmetrical as larvae and as adults.
b. have cephalization.
c. are deuterostomes.
d. have an anterior end and a posterior end.
ANSWER
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47. Echinoderms are like vertebrates in that echinoderms
Topic 5: $300 Answer
Echinoderms are like vertebrates in that echinoderms
a. are brilliantly symmetrical as larvae and as adults.
b. have cephalization.
c. are deuterostomes.
d. have an anterior end and a posterior end.
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48. Which structure is part of an echinoderm’s water vascular system?
Topic 5: $400 Question
Which structure is part of an echinoderm’s water vascular system?
a. skin gill
b. stomach
c. anus
d. madreporite
ANSWER
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49. Which structure is part of an echinoderm’s water vascular system?
Topic 5: $400 Answer
Which structure is part of an echinoderm’s water vascular system?
a. skin gill
b. stomach
c. anus
d. madreporite
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50. Topic 5: $500 Question
In arthropods, the main nerve cord runs along the __________ surface of the body.
a. dorsal
b. proximal
c. anterior
d. ventral
ANSWER
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51. Topic 5: $500 Answer
In arthropods, the main nerve cord runs along the __________ surface of the body.
a. dorsal
b. proximal
c. anterior
d. ventral
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52. 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
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53. 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
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