Test Bank for Biological Science (4th Edition) by Scott Freeman | Complete Verified Exam Questions and Answers

TestBank for BiologicalScience,4thCanadian Edition
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by Scott Freeman
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,Biological Science, Canadian Edition., 4e (Freeman et vv vv v v vv vv v v



al.) Chapter 1 Biology and the Tree of
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Life
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1) The pattern component of the cell theory claims that all organisms consist of
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cells.v v



A) true
B) false
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A
Reference: Section 1.1 vv



Bloom's Level:
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Remembering
LOs: Chp1-2. Describe the two components of the cell theory. v v v v v v v v v v v v v v v v




2) How does a scientific theory differ from a scientific hypothesis?
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A) There is no difference—the terms are interchangeable.
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B) A theory is an explanation for a very general phenomenon or observation;
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v vhypotheses treat more specific observations. vv vv vv vv



C) A hypothesis is an explanation for a very general phenomenon; theories treat
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v more specific issues.
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D) Theories define scientific laws; hypotheses are used to set
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up experiments. Answer: B
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Reference: Section 1.1 v v



Bloom's Level: Comprehension v v



LOs: Chp1-2. Describe the two components of the cell theory. v v v v v v v v v v v v v v v v




3) Algae in the genus Caulerpa typically grow to a length of over half a
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v vmeter and have structures similar to stems, leaves, and roots. Reproduction
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v voccurs when adults produce sperm and eggs that fuse to form offspring. Each
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adult Caulerpa, however, consists of just a single cell. Which of the following
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v vstatements is true? v v v v



A) Caulerpa violate the pattern component of the cell theory—that all organisms
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consist of cells.
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B) Caulerpa violate the process component of the cell theory—that all cells
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v come from preexisting cells.
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C) Caulerpa violate both the pattern and process components of the cell theory.
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D) The existence of Caulerpa is consistent with the
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cell theory. Answer: D
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Reference: Section 1.1 v v



Bloom's Level: Comprehension v v



LOs: Chp1-2. Describe the two components of the cell theory. v v v v v v v v v v v v v v v v




4) Which statement about spontaneous generation is FALSE?
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A) Pasteur demonstrated that it does not occur under normal laboratory conditions.
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B) It apparently occurred at least once–when life on Earth began.
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C) It occurs every time a new species evolves from a preexisting species.
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D) It addresses the formation of living cells from previously
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nonliving material. Answer: C
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Reference: Section 1.1 vv

, Bloom's Level:
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Remembering
LOs: Chp1-2. Describe the two components of the cell theory.
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, 5) Recall Pasteur's experiment on spontaneous generation. Originally, he used sealed and
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unsealed flasks instead of swan-necked and unsealed flasks. Critics claimed
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that the experiment was inconclusive. Which of the following criticisms would be
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addressed by using a swan-necked flask instead of the sealed flask?
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A) The broth was heated too intensively.
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B) There had not been enough time for spontaneous generation to occur.
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C) Fresh air is required for spontaneous generation.
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D) The broth was not nutritious
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enough. Answer: C
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v Reference: Section 1.1
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Bloom's Level: Comprehension/Applying
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LOs: Chp1-2. Describe the two components of the cell theory. v v v v v v v v v v v v v v v v




6) Which of the following is the best example of a heritable variation?
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A) skin cancer v v



B) amputation
C) red hair v v



D) love for music vv vv



Answer: C
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Reference: Section 1.2 v v



Bloom's Level: Comprehensionv v



LOs: Chp1-1. Name five fundamental characteristics shared by all living organisms.
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7) How does artificial selection differ from natural selection?
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A) Artificial selection occurs only in computer simulations, not with actual organisms.
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B) Artificial selection is based on conscious choices by humans.
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C) Artificial selection occurs only with plants. v v v v v v v v v v



D) Artificial selection is not based on heritable variation, but on
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new mutations. Answer: B
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Reference: Section 1.2 v v



Bloom's Level: Comprehensionv v



LOs: Chp1-3. Briefly explain the theory of natural selection, and clarify the two conditions
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that are necessary and sufficient for natural selection to bring about evolutionary
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change in a population.
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