Question 1

Both living and nonliving entities are composed of chemical elements

Accepted Answer

A) True 
 B)False

Question 2

Biodiversity in a particular ecosystem

Accepted Answer

A)  is the total number of species in that ecosystem
B)  includes the variability of the individual genes
C)  impacts the function of the ecosystem in which the species live
D)  All of the choices are correct.E) All of the above
F) A) and C)

Question 3

Living things are composed only of organic elements,whereas nonliving things are made up of inorganic elements

Accepted Answer

A) True 
 B)False

Question 4

Which of the following concepts is NOT one of the unifying theories of biology?

Accepted Answer

A)  All organisms are composed of cells.
B)  Life may arise through spontaneous generation.
C)  Life comes only from life.
D)  Organisms contain coded information that dictates their form,function,and,at times,behavior.
E)  All living things have a common ancestor and are adapted to a particular way of life.F) None of the above
G) A) and B) B

Question 5

Living things are made up of cells

Accepted Answer

A) True 
 B)False

Question 6

Which of the following does NOT represent homeostasis?

Accepted Answer

A)  Sensors detect CO2 levels in the blood and trigger an increase or decrease in the rate of breathing.
B)  When body temperature drops,you shiver to generate heat; when your body heats up,you sweat and the evaporation cools you.
C)  Feelings of hunger and then fullness affect the length of time and quantity of food you eat,keeping your weight near a "set point."
D)  Energy is captured by plants,then transferred to consumers and decomposers,and eventually lost as heat.
E)  Cells adjusting the openings on the bottom of leaves respond to differences in water stress in order to maintain moisture inside the leaf.F) C) and D)
G) B) and C)

Question 7

The classification system most commonly used by biologists today contains five domains.

Accepted Answer

A) True 
 B)False

Question 8

Arrange in order,the levels of ecological study from most inclusive to most exclusive:

Accepted Answer

A)  biosphere,ecosystem,community,population,individual organism
B)  ecosystem,biosphere,population,community,individual organism
C)  individual organism,community,population,ecosystem,biosphere
D)  individual organism,population,community,ecosystem,biosphereE) C) and D)
F) A) and B)

Question 9

You are interested in the effect of increased carbon dioxide versus normal air,and also in the effect of green light versus full sunlight on the growth of corn plants in a greenhouse.Although you can set up your experiment inside a greenhouse,it is possible that there will be plant growth effects due to effects that you do not know and may never know.Which of the following are important to ensure control of unknown variables?

Accepted Answer

A)  An increase in carbon dioxide does not result in a substantial decrease of other necessary gases.
B)  All seedlings are from one uniform strain.
C)  The intensity or brightness of the green light equals the intensity of the full sunlight.
D)  All temperatures and available water remain the same.
E)  All of the choices are important.F) A) and C)
G) A) and B)

Question 10

Living things must obey the laws of chemistry and physics

Accepted Answer

A) True 
 B)False

Question 11

Choose which of the the following statements is a hypothesis for an experiment.

Accepted Answer

A)  Based on the data collected during an experiment,S.aureus grows better at body temperature than room temperature.
B)  Based on previous experience,it is predicted that S.aureus will grow better at body temperature than at room temperature.
C)  S.aureus grew equally well at room temperature and at body temperature.
D)  Based on the data collected during the experiment,it is confirmed that S.aureus grew better at room temperature.E) C) and D)
F) All of the above

Question 12

Some biologists study the complex interactions of animals and plants in forests or prairies.Such ecology field research often produces slightly different results for different researchers.In contrast,ecology experiments that are run indoors with one organism in a terrarium usually produce results that are repeatable.What is the most likely explanation?

Accepted Answer

A)  The scientific method is only useful in laboratory settings.
B)  It is not possible to establish a control group outside of a laboratory.
C)  It is easier to hold all but one variable constant in a laboratory.
D)  Field research is only descriptive,and descriptive research is not strictly "science."
E)  Fieldwork is inductive; lab work is deductive.F) C) and D)
G) A) and B)

Question 13

Living things show biological organization and other common characteristics of life

Accepted Answer

A) True 
 B)False

Question 14

The dependent (responding) variable in this experiment is:

Accepted Answer

A)  the temperature
B)  growth of bacteria,as indicated by the turbidity in the test tubes
C)  the time that the test tubes were allowed to sit
D)  amount of initial inoculum,or number of bacteria introduced into each test tubeE) A) and B)
F) All of the above

Question 15

The independent (experimental) variable is:

Accepted Answer

A)  temperature
B)  growth of bacteria
C)  incubation period
D)  amount of initial inoculumE) A) and B)
F) All of the above

Question 16

Which of the following terms best describes a conceptual scheme in science that is strongly supported,has not yet been found incorrect,and is based on the results of many observations?

Accepted Answer

A)  a scientific model
B)  an experiment
C)  descriptive research
D)  a scientific theory or principle
E)  experimental resultsF) A) and E)
G) B) and C)

Question 17

Choose the correct order of classification from most inclusive to exclusive.

Accepted Answer

A)  Domain-Kingdom-Phylum-Class-Order-Family-Genus-Species
B)  Kingdom-Domain-Class-Phylum-Order-Family-Genus-Species
C)  Kingdom-Domain-Class-Phylum-Order-Genus-Species-Family
D)  Kingdom-Class-Phylum-Domain-Genus-Order-Family-SpeciesE) None of the above
F) C) and D) A

Question 18

The manner in which a scientist intends to conduct an experiment is called:

Accepted Answer

A)  inductive reasoning
B)  the experimental design
C)  data collection and analysis
D)  the conclusionE) B) and D)
F) None of the above B

Question 19

A hypothesis is tested by:

Accepted Answer

A)  a prediction
B)  experimentation
C)  analysis of results
D)  formulation of a theoryE) B) and C)
F) B) and D)

Question 20

For five years,you wake up before the alarm is set to ring each morning.This leads you to conclude that people have a built-in "alarm clock" capable of waking them up.From a science viewpoint,this conclusion

Accepted Answer

A)  is science because it is based on real observations.
B)  is science because it is predictive of what will happen tomorrow morning.
C)  is scientifically valid because 5 years x 365 days is a large number of trials.
D)  may not be valid because it generalizes about all people,and there may have been other variables that could awaken you without a built-in clock.
E)  cannot be scientifically treated because it involves human behavior.F) B) and D)
G) C) and D)

Exam 1: A View of Life

Both living and nonliving entities are composed of chemical elements

Correct Answer
verified

Biodiversity in a particular ecosystem

Correct Answer
verified

Living things are composed only of organic elements,whereas nonliving things are made up of inorganic elements

Correct Answer
verified

Which of the following concepts is NOT one of the unifying theories of biology?

Correct Answer
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B

Living things are made up of cells

Correct Answer
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Which of the following does NOT represent homeostasis?

Correct Answer
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The classification system most commonly used by biologists today contains five domains.

Correct Answer
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Arrange in order,the levels of ecological study from most inclusive to most exclusive:

Correct Answer
verified

Correct Answer
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Living things must obey the laws of chemistry and physics

Correct Answer
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Choose which of the the following statements is a hypothesis for an experiment.

Correct Answer
verified

Correct Answer
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Living things show biological organization and other common characteristics of life

Correct Answer
verified

The dependent (responding) variable in this experiment is:

Correct Answer
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The independent (experimental) variable is:

Correct Answer
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Which of the following terms best describes a conceptual scheme in science that is strongly supported,has not yet been found incorrect,and is based on the results of many observations?

Correct Answer
verified

Choose the correct order of classification from most inclusive to exclusive.

Correct Answer
verified
A

The manner in which a scientist intends to conduct an experiment is called:

Correct Answer
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B

A hypothesis is tested by:

Correct Answer
verified

For five years,you wake up before the alarm is set to ring each morning.This leads you to conclude that people have a built-in "alarm clock" capable of waking them up.From a science viewpoint,this conclusion

Correct Answer
verified

Exam 1: A View of Life

Both living and nonliving entities are composed of chemical elements

Correct AnswerverifiedShow Answer

Biodiversity in a particular ecosystem

Correct AnswerverifiedShow Answer

Living things are composed only of organic elements,whereas nonliving things are made up of inorganic elements

Correct AnswerverifiedShow Answer

Which of the following concepts is NOT one of the unifying theories of biology?

Correct AnswerverifiedB

Living things are made up of cells

Correct AnswerverifiedShow Answer

Which of the following does NOT represent homeostasis?

Correct AnswerverifiedShow Answer

The classification system most commonly used by biologists today contains five domains.

Correct AnswerverifiedShow Answer

Arrange in order,the levels of ecological study from most inclusive to most exclusive:

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Living things must obey the laws of chemistry and physics

Correct AnswerverifiedShow Answer

Choose which of the the following statements is a hypothesis for an experiment.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Living things show biological organization and other common characteristics of life

Correct AnswerverifiedShow Answer

The dependent (responding) variable in this experiment is:

Correct AnswerverifiedShow Answer

The independent (experimental) variable is:

Correct AnswerverifiedShow Answer

Which of the following terms best describes a conceptual scheme in science that is strongly supported,has not yet been found incorrect,and is based on the results of many observations?

Correct AnswerverifiedShow Answer

Choose the correct order of classification from most inclusive to exclusive.

Correct AnswerverifiedA

The manner in which a scientist intends to conduct an experiment is called:

Correct AnswerverifiedB

A hypothesis is tested by:

Correct AnswerverifiedShow Answer

For five years,you wake up before the alarm is set to ring each morning.This leads you to conclude that people have a built-in "alarm clock" capable of waking them up.From a science viewpoint,this conclusion

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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B

Correct Answer
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A

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B

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