Chapter 52 – The Reproductive System
52. According to the figure, what is occurring during day 2?
Chapter 52 – The Reproductive System
53. According to the figure, what is a likely day of implantation?
Chapter 52 – The Reproductive System
52–23
Clarify Question
What is the key concept addressed by the question?
What type of thinking is required?
Gather Content
What do you already know about implantation? What other information is related to the
question?
Choose Answer
Given what you now know, what information is most likely to produce the correct answer?
Chapter 52 – The Reproductive System
Reflect on Process
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
54. According to the figure, what is the only hormone that doesn’t peak during ovulation?
55. Which hormone prevents the corpus luteum from degenerating?
Chapter 52 – The Reproductive System
52–25
56. Even if utilized properly, what is the least effective means of birth control?
Fill in the Blank Questions
Choose the letter of the best match from the following:
A. birth control pill
B. intrauterine device
C. diaphragm
D. foams and jellies
E. vasectomy
Topic: Animal Reproduction
57. Sperm blockage.
Chapter 52 – The Reproductive System
58. Sperm destruction.
59. Prevention of egg maturation and ovulation.
60. Surgical intervention.
61. Prevention of embryo implantation.
Multiple Choice Questions
62. If a mutant organism used mitosis to produce gametes, what would be the result of mating
with a wildtype partner?
Chapter 52 – The Reproductive System
52–27
Clarify Question
What is the key concept addressed by the question?
What type of thinking is required?
Gather Content
What do you already know about gametes? What other information is related to the
question?
Choose Answer
Given what you now know, what information is most likely to produce the correct answer?
Reflect on Process
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 52 – The Reproductive System
52–28
Check All That Apply Questions
63. If you discovered a new colonial organism living deep on the sea floor, how could you
determine whether it reproduced sexually or asexually? (Check all that apply)
Chapter 52 – The Reproductive System
Clarify Question
What is the key concept addressed by the question?
What type of thinking is required?
Gather Content
What do you already know about sexual vs asexual reproduction? What other information
is related to the question?
Choose Answer
Given what you now know, what information is most likely to produce the correct answer?
Reflect on Process
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 52 – The Reproductive System
Multiple Choice Questions
64. You have discovered a new invertebrate species that is slow-moving and widely
dispersed. What might you predict about its reproductive system?
Chapter 52 – The Reproductive System
52–31
Clarify Question
What is the key concept addressed by the question?
What type of thinking is required?
Gather Content
What do you already know about reproductive modes? What other information is related to
the question?
Choose Answer
Given what you now know, what information is most likely to produce the correct answer?
Reflect on Process
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 52 – The Reproductive System
65. Your friend is an amateur aquarist learning to breed clownfish. She had one successful
clutch of eggs, and moved the mother and fry with their anemone to a separate tank leaving
only male fish behind. Now, she is surprised to find that a new female fish has appeared in the
original tank. What is the most likely explanation for this?
Chapter 52 – The Reproductive System
52–33
Clarify Question
What is the key concept addressed by the question?
What type of thinking is required?
Gather Content
What do you already know about the reproductive modes of fish? What other information
is related to the question?
Choose Answer
Chapter 52 – The Reproductive System
52–34
Given what you now know, what information is most likely to produce the correct answer?
Reflect on Process
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
66. Sea turtles are endangered, in part because of human encroachment on the beaches where
they lay eggs. You are working with a team to help protect turtle nests and hatchlings from
curious beachgoers. Someone suggests putting a fabric dome over each nest to keep people
away. What is your response?
Chapter 52 – The Reproductive System
52–35
Clarify Question
What is the key concept addressed by the question?
What type of thinking is required?
Gather Content
What do you already know about turtle development? What other information is related to
the question?
Choose Answer
Given what you now know, what information is most likely to produce the correct answer?
Reflect on Process
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 52 – The Reproductive System
67. Major extinctions of dinosaurs are associated with large meteor impacts, including the
final extinction that wiped them out at the Cretaceous-Tertiary boundary. The particulate
matter that would have arisen as a result of impact would have entered the atmosphere and
had secondary impacts. Some scientists believe that a fundamental difference between
mammals and dinosaurs allowed mammals to survive this event, but doomed the dinosaurs.
What may have characterized the last generation of dinosaurs as they went extinct?
Chapter 52 – The Reproductive System
52–37
Clarify Question
What is the key concept addressed by the question?
What type of thinking is required?
Gather Content
What do you already know about dinosaurs? What other information is related to the
question?
Choose Answer
Given what you now know, what information is most likely to produce the correct answer?
Reflect on Process
Chapter 52 – The Reproductive System
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
68. Calico cats are female. The patches of fur color result from X inactivation, silencing fur
color genes on one X chromosome or the other. However, extremely rarely, there can be a
male calico. Describe the genetics necessary for a male calico cat.