study guide section 1-1 the world of biology

STUDY GUIDE SECTION 1-1
THE WORLD OF BIOLOGY
Name _____________________
Period __________
Date ____________
Multiple Choice-Write the correct letter in the blank.
1. _____ A short segment of DNA that contains instructions for the development of a single
trait of an organism is known as a
a. DNA loop
b. gene
c. library
d. membrane
2. _____ As the cells in a multicellular organism multiply, they become specialized for
different functions in a process called
a. sexual reproduction
c. photosynthesis
b. descent with modification
d. cell differentiation
3. _____ Homeostasis refers to the
a. organization of cellular structures
b. stable level of internal conditions in organisms.
c. organized structure of crystals.
d. destruction of tropical rain forests.
4. _____ Photosynthesis is part of a plant’s
a. metabolism
c. development
b. homeostasis
d. response to stimuli
Short Answer-Answer the following questions in complete sentences.
1. List and describe the 7 characteristics shared by living things.
A. _____________________________________________________________________
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B. _____________________________________________________________________
_____________________________________________________________________
C. _____________________________________________________________________
_____________________________________________________________________
D. _____________________________________________________________________
_____________________________________________________________________
E. _____________________________________________________________________
_____________________________________________________________________
F. _____________________________________________________________________
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G. _____________________________________________________________________
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2. Describe the hierarchy of organization found in complex multicellular organisms. (End
with the atom.) __________________________________________________________
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3. Provide one example of homeostasis. _________________________________________
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4. Provide an example of metabolism. ___________________________________________
_______________________________________________________________________
5. How does growth among living and nonliving things differ? _______________________
________________________________________________________________________
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6. Why is reproduction an important characteristic of life? ___________________________
________________________________________________________________________
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7. Explain why the cell is called the basic unit of life. ______________________________
_______________________________________________________________________
8. Contrast the reproduction of bacteria with that of frogs. ___________________________
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Structures and functions Explain how the drawing below illustrates at least three
characteristics of life.
______________________________________________________________________________
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______________________________________________________________________________
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STUDY GUIDE SECTION 1-2
THEMES IN BIOLOGY
Multiple Choice Write the correct letter in the blank.
1. _____ A “tree of life” explains
a. how organisms are related to each other.
b. how organisms differ from each other.
c. the lineages of various organisms.
d. All of the above.
2. _____ Which of the following in NOT an important unifying theme in biology?
a. the diversity and unity of life.
b. the relationship between organisms and society.
c. the interdependence of living organisms.
d. the evolution of life.
3. _____ An example of a domain is
a. Animalia
b. Protista
c. Fungi
d. Eukarya
4. _____ A trait that improves an individual’s ability to survive and reproduce is a(n)
a. mutation
b. natural selection
c. adaptation
d. domain
Short Answer-Answer the following questions in complete sentences. (Except #1.)
1. List the three unifying themes of biology
A._______________________________
B._______________________________
C. _______________________________
2. Provide an example of:
A. Unity-_______________________________________________________________
_______________________________________________________________________
B. Diversity- ____________________________________________________________
________________________________________________________________________
3. Identify the three domains, and the kingdoms found in each domain.
A. _______________- ____________________________________________________
B. _______________- ____________________________________________________
C. _______________- ____________________________________________________
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4. Explain how organisms are interdependent._____________________________________
________________________________________________________________________
________________________________________________________________________
5. Explain why evolution is important to understanding biology.
A. _____________________________________________________________________
_____________________________________________________________________
B. _____________________________________________________________________
_____________________________________________________________________
C. _____________________________________________________________________
_____________________________________________________________________
6. Describe what an adaptation is, in general, and provide an example. _________________
________________________________________________________________________
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7. Why must an adaptation be heritable if it to cause a population to evolve? ____________
________________________________________________________________________
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8. Describe natural selection. __________________________________________________
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Structures and functions Briefly describe the interactions among the panther, the deer,
and the grass in the picture below.
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
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STUDY GUIDE 1-3
THE STUDY OF BIOLOGY
Multiple Choice –Write the correct letter in the blank.
1. _____ A field biologist who studies the behavior of birds in a rain forest most likely
collects data through
a. experimenting
b. modeling
c. observing
d. inferring
2. _____ Constructing a graph is an example of
a. measuring
b. organizing data
c. observing
d. predicting
3. _____ A statement that explains observations and which can be tested is called
a. a hypothesis
b. an inference
c. a theory
d. a model
4. ______A visual, verbal, or mathematical explanation that is supported by data is called
a. a hypothesis
b. an inference
c. a theory
d. a model
Short Answer- Answer the following questions in complete sentences.
1. Identify and explain the two main principles of the scientific method.
A. _____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
B. _____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
2. Describe the roles of observation and hypothesis in science. _______________________
________________________________________________________________________
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3. List the steps of the scientific method.
A. _____________________________
B. _____________________________
C. _____________________________
D. _____________________________
E. _____________________________
F. _____________________________
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4. Describe the characteristics of a functional (good) hypothesis. _____________________
________________________________________________________________________
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5. Summarize the parts of a controlled experiment. ________________________________
________________________________________________________________________
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6. What is an inference? Provide an example. _____________________________________
________________________________________________________________________
7. Provide another (besides the one in the textbook) example of conflict of interest. _______
________________________________________________________________________
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8. What are quantitative data? Give two examples of quantitative data. _________________
________________________________________________________________________
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9. What are three things scientists might do to analyze data? _________________________
________________________________________________________________________
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10. A scientist wanted to study the effect of a drug on the blood pressure of rats. She set up
an experiment in which the experimental group consisted of rats that were injected with a
salt solution containing the drug. What should the control group consist of? ________
______________________________________________________________________
What were the dependent and independent variables in her experiment? _____________
________________________________________________________________________
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Structures and functions-Examine the drawing of the owl. In each space below, provide an
observation that would support the inference given, or provide an inference that could be
derived from the observation given.
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STUDY GUIDE 1-4
TOOLS AND TECHNIQUES
Multiple Choice- Write the correct letter in the blank.
1. _____ One limitation to the scanning electron microscope is that it cannot be used to
a. examine specimens smaller than cells.
b. view living specimens.
c. produce an enlarged image of a specimen.
d. produce an image of the surface of a specimen.
2. _____ A microscope with a 10x ocular lens and a 25x objective lens has a total power of
magnification equal to
a. 2.5x
b. 35x
c. 250x
d. 2,500x
3. _____ The SI base unit for time is the
a. second
b. minute
c. hour
d. day
4. _____ The SI prefix that represents 1,000 times the base unit is
a. deci
b. centi
c. kilo
d. micro
Short Answer- Answer the following questions in complete sentences.
1. Provide a description of a compound light microscope. ___________________________
________________________________________________________________________
________________________________________________________________________
2. Explain the difference between magnification and resolution. ______________________
________________________________________________________________________
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3. Provide a description of a scanning electron microscope (SEM). ____________________
________________________________________________________________________
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4. Provide a description of a transmission electron microscope (TEM). _________________
________________________________________________________________________
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5. Explain why it is important that all scientists use the same measurement system? ______
________________________________________________________________________
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6. A group of scientists wants to determine whether the bacteria they are studying have
viruses inside them. Which type of microscope should they use? Explain your answer.
________________________________________________________________________
________________________________________________________________________
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7. Write the correct abbreviation for each metric unit.
8. Use your textbook to complete these conversions.
Structures and Functions-Label each part of the microscope in the diagram below.
Revolving nosepiece
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