Name ______________________________ Class___________________Date__________________
Skills Worksheet
Chapter Review
USING KEY TERMS
For each pair of terms, explain how the meanings of the terms differ.
1. asexual reproduction and sexual reproduction
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2. external fertilization and internal fertilization
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3. innate behavior and learned behavior
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4. hibernation and estivation
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5. adaptation and natural selection
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UNDERSTANDING KEY IDEAS
Multiple Choice
_____ 6. When part of a sea star breaks off, the part can develop into a new
individual. What is this pattern of asexual reproduction called?
a. fragmentation
b. budding
c. external fertilization
d. internal fertilization
_____ 7. Which is NOT a pattern of asexual reproduction in plants?
a. producing runners
c. producing flowers
b. producing tubers
d. producing plantlets
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Adapting to the Environment
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Chapter Review continued
_____ 8. A biological clock controls
a. circadian rhythms.
b. defensive behavior.
c. learned behavior.
d. being a consumer.
_____ 9. Which of the following statements is true about migration?
a. It occurs only in birds.
b. It helps animals escape cold and food shortages in winter.
c. It always refers to moving southward for the winter.
d. It helps animals defend themselves.
_____ 10. Most gymnosperms have reproductive structures called cones.
Gymnosperms have male and female cones. Where are male
gametophytes found?
a. in soil
c. in seeds
b. in eggs
d. in pollen
_____ 11. Many desert animals experience an internal slowdown in the hottest
part of the summer. When the availability of food and water is scarce,
these animals undergo a period of inactivity and lowered body
temperature. What is this seasonal behavior called?
a. hibernation
c. parenting
b. estivation
d. circadian rhythm
Short Answer
12. Choose an organism, and describe the adaptations that help it survive.
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13. What is the relationship between natural selection and reproduction?
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14. What is a territory? Give an example of a territory from your environment.
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15. What is pollination?
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Original content Copyright © by Holt, Rinehart and Winston; a Division of Houghton Mifflin Harcourt Publishing Company.
Additions and changes to the original content are the responsibility of the instructor.
Holt Science and Technology
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Adapting to the Environment
Name ______________________________ Class___________________Date__________________
Chapter Review continued
Concept Mapping
16. Use the following terms to create a concept map: asexual reproduction,
external fertilization, fragmentation, reproduction, internal fertilization,
budding, and sexual reproduction.
Original content Copyright © by Holt, Rinehart and Winston; a Division of Houghton Mifflin Harcourt Publishing Company.
Additions and changes to the original content are the responsibility of the instructor.
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Adapting to the Environment
Name ______________________________ Class___________________Date__________________
Chapter Review continued
CRITICAL THINKING
17. Identifying Relationships The environment in which organisms live may
change over time. For example, a wet, swampy area may gradually become a
grassy area with a small pond. Explain how sexual reproduction may give
species that live in a changing environment a survival advantage.
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18. Analyzing Processes What is the relationship between genetic variation and
the term genetic bottleneck? What can happen to a population when it
experiences a genetic bottleneck?
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CHALLENGE
19. How might coral snakes change if a new predator that was not harmed by their
poison became a part of the snake’s environment?
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20. Call or write to a zoo or aquarium that participates in the American Zoo and
Aquarium Association’s Species Survival Plan Program. Choose two species
that the zoo or aquarium has in its collection. Collect information about the
methods that are used to maintain a healthy and diverse population of these
species. Analyze the methods that are used for each species. How are they
similar? How are they different?
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Original content Copyright © by Holt, Rinehart and Winston; a Division of Houghton Mifflin Harcourt Publishing Company.
Additions and changes to the original content are the responsibility of the instructor.
Holt Science and Technology
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Adapting to the Environment
Name ______________________________ Class___________________Date__________________
Chapter Review continued
INTERPRETING GRAPHICS
Germinate means “to sprout,” or “grow.” The graph below shows percentages of
seed germination for different seed companies. Use the graph below to answer the
questions that follow.
21. Which seed company had the highest percentage of seed germination? the
lowest percentage of seed germination?
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22. If Elaine wants to buy seeds that had a germination percentage higher than
60%, which seed companies would she buy seeds from? Why might Elaine
want to buy seeds that have a higher percentage of germination?
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Original content Copyright © by Holt, Rinehart and Winston; a Division of Houghton Mifflin Harcourt Publishing Company.
Additions and changes to the original content are the responsibility of the instructor.
Holt Science and Technology
54
Adapting to the Environment