Question 1

The leaf of a strawberry plant is

Accepted Answer

A)  an organ.
B)  a molecule.
C)  an organelle.
D)  a cell.
E)  an organism.F) A) and E)
G) A) and D) A

Question 2

In an experimental procedure,what is manipulated by the investigator to determine whether it influences the phenomenon of interest?

Accepted Answer

A)  standardized variable
B)  control group
C)  dependent variable
D)  independent variable
E)  both control group and standardized variableF) B) and C)
G) All of the above

Question 3

A theory differs from a hypothesis in that a theory

Accepted Answer

A)  has more supportive evidence than a hypothesis.
B)  is broader in scope than a hypothesis.
C)  has predictive power.
D)  ties together many existing observations.
E)  All answers are correct.F) D) and E)
G) A) and B)

Question 4

You want to test Charles Darwin's prediction that an orchid with long pollen tubes has a pollinator with long,thin mouthparts that can reach the bottom of the elongated nectar tube.You place nets over some orchids,which allows pollinators with small,short mouthparts to enter but prevents the entry of pollinators with long,thin mouthparts.Next,you compare the number of seeds produced by plants with and without the nets.In this experiment,seed production is a(n)

Accepted Answer

A)  dependent variable.
B)  hypothesis.
C)  theory.
D)  independent variable.
E)  standardized variablE.F) C) and D)
G) A) and E)

Question 5

If you were listening to a professor talk about the nature of hypotheses,which statement would make you question whether the professor really knew the subject matter?

Accepted Answer

A)  It can be proven true.
B)  It can be proven false.
C)  It is a tentative explanation.
D)  It is based on previous knowledge.
E)  It must be testable to be useful.F) A) and B)
G) None of the above

Question 6

How do you know the computer you are working on is not alive?

Accepted Answer

A)  It is not made of cells.
B)  It does not maintain an internal consistency of water,solutes,and other components.
C)  It cannot reproduce,asexually or sexually.
D)  It cannot evolve.
E)  All answers are correct.F) A) and E)
G) A) and B) E

Question 7

Asexual reproduction differs from sexual reproduction in that

Accepted Answer

A)  asexual reproduction produces genetically diverse offspring.
B)  asexual reproduction utilizes DNA from two parents to code for traits in offspring.
C)  asexual reproduction occurs only in plants.
D)  asexual reproduction produces offspring containing DNA from only one parent.
E)  asexual reproduction only occurs in animals.F) A) and B)
G) A) and C)

Question 8

A major difference between prokaryotes and eukaryotes is that prokaryotes

Accepted Answer

A)  have cell walls and other organisms do not.
B)  do not have a nucleus in their cells and other organisms do.
C)  have a nucleus in their cells and other organisms do not.
D)  are autotrophs and other organisms are not.
E)  are not living organisms,while eukaryotes arE.F) A) and B)
G) A) and D)

Question 9

Which is the correct sequence for levels of biological organization occurring beyond an organism?

Accepted Answer

A)  population - ecosystem - community - biosphere
B)  community - population - ecosystem - biosphere
C)  community - population - biosphere - ecosystem
D)  population - community - ecosystem - biosphere
E)  ecosystem - population - biosphere - communityF) B) and E)
G) D) and E)

Question 10

If you wanted to demonstrate homeostasis to a friend,you could use as an example

Accepted Answer

A)  a population changing over time.
B)  environmental conditions holding constant through time.
C)  cells having enough water to survive.
D)  plants and animals needing energy sources.
E)  an organism maintaining nearly constant internal conditions.F) B) and E)
G) B) and D)

Question 11

What is the advantage to the Madagascan orchid of having an 11-inch long nectar tube?

Accepted Answer

A)  It can produce nectar over a larger area and attract more pollinators.
B)  It can collect more rainwater.
C)  It can be fertilized only by the largest moths.
D)  It can collect more sunlight for photosynthesis.
E)  It can trap insects as a source of nutrients.F) B) and D)
G) D) and E)

Question 12

Organisms that extract energy from nonliving environmental resources are called

Accepted Answer

A)  heterotrophs.
B)  decomposers.
C)  parasites.
D)  consumers.
E)  producers.F) C) and E)
G) A) and C)

Question 13

In an experiment,Charles Darwin's prediction about long nectaries and long-tongued moths would be a(n)

Accepted Answer

A)  standardized variable.
B)  theory.
C)  independent variable.
D)  dependent variable.
E)  hypothesis.F) D) and E)
G) B) and E)

Question 14

All living organisms

Accepted Answer

A)  are prokaryotes.
B)  consist of one or more cells.
C)  are eukaryotes.
D)  are multicellular.
E)  are unicellular.F) A) and B)
G) B) and E)

Question 15

If you were observing a newly discovered structure and trying to decide if it might be alive,what would be the weakest indicator of life?

Accepted Answer

A)  homeostasis
B)  movement
C)  structural organization
D)  evolution
E)  energy useF) A) and C)
G) D) and E)

Question 16

The "kingdom" is the most all-inclusive taxonomic category.

Accepted Answer

A) True 
 B)False

Question 17

If you found a singled-celled organism with a nucleus,circular chromosomes,and the ability to live in extremely salty habitats,you would classify it as a member of the Eukarya.

Accepted Answer

A) True 
 B)False

Question 18

A structure consisting of tissues organized to carry out a specific function defines a(n)

Accepted Answer

A)  organ.
B)  cell.
C)  population.
D)  atom.
E)  moleculE.F) C) and D)
G) B) and E)

Question 19

The scientific method cannot be used to answer questions about immaterial and philosophical issues.

Accepted Answer

A) True 
 B)False  True

Question 20

Why isn't scientific inquiry foolproof?

Accepted Answer

A)  Multiple interpretations of the data are possible.
B)  Definite answers do not always result.
C)  Observations can be misinterpreted.
D)  Unexpected conclusions are not always readily accepteD.
E)  All answers are correct.F) A) and B)
G) A) and C)

Exam 1: Scientific Study of Life

The leaf of a strawberry plant is

Correct Answer
verified
A

In an experimental procedure,what is manipulated by the investigator to determine whether it influences the phenomenon of interest?

Correct Answer
verified

A theory differs from a hypothesis in that a theory

Correct Answer
verified

Correct Answer
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If you were listening to a professor talk about the nature of hypotheses,which statement would make you question whether the professor really knew the subject matter?

Correct Answer
verified

How do you know the computer you are working on is not alive?

Correct Answer
verified
E

Asexual reproduction differs from sexual reproduction in that

Correct Answer
verified

A major difference between prokaryotes and eukaryotes is that prokaryotes

Correct Answer
verified

Which is the correct sequence for levels of biological organization occurring beyond an organism?

Correct Answer
verified

If you wanted to demonstrate homeostasis to a friend,you could use as an example

Correct Answer
verified

What is the advantage to the Madagascan orchid of having an 11-inch long nectar tube?

Correct Answer
verified

Organisms that extract energy from nonliving environmental resources are called

Correct Answer
verified

In an experiment,Charles Darwin's prediction about long nectaries and long-tongued moths would be a(n)

Correct Answer
verified

All living organisms

Correct Answer
verified

If you were observing a newly discovered structure and trying to decide if it might be alive,what would be the weakest indicator of life?

Correct Answer
verified

The "kingdom" is the most all-inclusive taxonomic category.

Correct Answer
verified

If you found a singled-celled organism with a nucleus,circular chromosomes,and the ability to live in extremely salty habitats,you would classify it as a member of the Eukarya.

Correct Answer
verified

A structure consisting of tissues organized to carry out a specific function defines a(n)

Correct Answer
verified

The scientific method cannot be used to answer questions about immaterial and philosophical issues.

Correct Answer
verified
True

Why isn't scientific inquiry foolproof?

Correct Answer
verified

Exam 1: Scientific Study of Life

The leaf of a strawberry plant is

Correct AnswerverifiedA

In an experimental procedure,what is manipulated by the investigator to determine whether it influences the phenomenon of interest?

Correct AnswerverifiedShow Answer

A theory differs from a hypothesis in that a theory

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

If you were listening to a professor talk about the nature of hypotheses,which statement would make you question whether the professor really knew the subject matter?

Correct AnswerverifiedShow Answer

How do you know the computer you are working on is not alive?

Correct AnswerverifiedE

Asexual reproduction differs from sexual reproduction in that

Correct AnswerverifiedShow Answer

A major difference between prokaryotes and eukaryotes is that prokaryotes

Correct AnswerverifiedShow Answer

Which is the correct sequence for levels of biological organization occurring beyond an organism?

Correct AnswerverifiedShow Answer

If you wanted to demonstrate homeostasis to a friend,you could use as an example

Correct AnswerverifiedShow Answer

What is the advantage to the Madagascan orchid of having an 11-inch long nectar tube?

Correct AnswerverifiedShow Answer

Organisms that extract energy from nonliving environmental resources are called

Correct AnswerverifiedShow Answer

In an experiment,Charles Darwin's prediction about long nectaries and long-tongued moths would be a(n)

Correct AnswerverifiedShow Answer

All living organisms

Correct AnswerverifiedShow Answer

If you were observing a newly discovered structure and trying to decide if it might be alive,what would be the weakest indicator of life?

Correct AnswerverifiedShow Answer

The "kingdom" is the most all-inclusive taxonomic category.

Correct AnswerverifiedShow Answer

If you found a singled-celled organism with a nucleus,circular chromosomes,and the ability to live in extremely salty habitats,you would classify it as a member of the Eukarya.

Correct AnswerverifiedShow Answer

A structure consisting of tissues organized to carry out a specific function defines a(n)

Correct AnswerverifiedShow Answer

The scientific method cannot be used to answer questions about immaterial and philosophical issues.

Correct AnswerverifiedTrue

Why isn't scientific inquiry foolproof?

Correct AnswerverifiedShow Answer

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A

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E

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True

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