Question 1

You perform an experiment in which you take 16 pots of strawberry plants and give half of them 1 gram of ammonium nitrate per liter of water and the other half receive only water. Each group is then split in half again, and exposed to either 8 or 16 hours of light each day. You monitor the height of the plants for 4 weeks. You observe that plants grown in ammonium nitrate and 16 hours of light grow taller than no ammonium nitrate and 8 hours of light.
-Which of the following is/are dependent variable(s) in this experiment?

Accepted Answer

A)   amount of ammonium nitrate and light
B)   amount of carbon dioxide
C)   amount of water
D)   height of the plants
E)   height of the plants and amount of lightF) B) and D)
G) B) and E)

Question 2

The proximate reason for the uptake by plants of nutrients like ammonium nitrate is

Accepted Answer

A)   asexual reproduction.
B)   sexual reproduction.
C)   natural selection.
D)   evolution.
E)   homeostasis.F) A) and B)
G) All of the above

Question 3

Which is the correct sequence for levels of biological organization within a multicellular organism?

Accepted Answer

A)   atom - molecule - organelle - cell - tissue
B)   molecule - atom - organelle - tissue - cell
C)   cell - organelle - atom - tissue - molecule
D)   organelle - molecule - atom - tissue - cell
E)   atom - organelle - molecule - cell - tissueF) A) and C)
G) D) and E)

Question 4

What is the advantage of a moth having a very long tongue if an orchid has a very long nectar spur?

Accepted Answer

A)   It is used to attract mates through sexual selection.
B)   It can pollinate only one type of flower.
C)   It makes flying more efficient.
D)   It can be used to capture other flying insects for food.
E)   It can reach nectar that no other pollinator can reach.F) A) and E)
G) A) and B)

Question 5

Organisms that extract energy from nonliving environmental resources are called

Accepted Answer

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

Question 6

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) None of the above
G) C) and E)

Question 7

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) B) and E)
G) A) and D)

Question 8

Homo sapiens is in which domain?

Accepted Answer

A)   Archaea
B)   Bacteria
C)   Eukarya
D)   Animalia
E)   ProtistaF) A) and E)
G) A) and C)

Question 9

If you found an organism that was single-celled and had a nucleus,you would classify it as a member of the Archaea.

Accepted Answer

A) True 
 B)False

Question 10

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) A) and C)

Question 11

You perform an experiment in which you take 16 pots of strawberry plants and give half of them 1 gram of ammonium nitrate per liter of water and the other half receive only water. Each group is then split in half again, and exposed to either 8 or 16 hours of light each day. You monitor the height of the plants for 4 weeks. You observe that plants grown in ammonium nitrate and 16 hours of light grow taller than no ammonium nitrate and 8 hours of light.
-In this experiment,the size of the pot is

Accepted Answer

A)   an independent variable.
B)   a dependent variable.
C)   a standardized variable.
D)   a placebo.
E)   a control.F) A) and E)
G) A) and D)

Question 12

You perform an experiment in which you take 16 pots of strawberry plants and give half of them 1 gram of ammonium nitrate per liter of water and the other half receive only water. Each group is then split in half again, and exposed to either 8 or 16 hours of light each day. You monitor the height of the plants for 4 weeks. You observe that plants grown in ammonium nitrate and 16 hours of light grow taller than no ammonium nitrate and 8 hours of light.
-Which of the following is/are independent variable(s) in this experiment?

Accepted Answer

A)   amount of ammonium nitrate and light
B)   amount of water
C)   amount of carbon dioxide
D)   height of the plants and amount of light
E)   height of the plantsF) A) and E)
G) A) and B)

Question 13

Gravity is a theory because it is

Accepted Answer

A)   a tentative explanation of an observation.
B)   an untestable prediction.
C)   a changeable element of experiments.
D)   an opinion or hunch.
E)   an encompassing explanation of a natural phenomenon that is well accepted.F) A) and B)
G) B) and E)

Question 14

If you were grading a set of exams dealing with the scientific method,which statement would lead to a student losing points?

Accepted Answer

A)   It is a general way of answering questions with evidence.
B)   It is a framework to consider ideas in a repeatable way.
C)   It begins with observations.
D)   It does not apply to problems encountered in everyday life.
E)   It enables the testing of ideas.F) A) and C)
G) A) and D)

Question 15

The four kingdoms included in the domain Eukarya are

Accepted Answer

A)   Bacteria, Fungi, Plantae, and Animalia.
B)   Bacteria, Protista, Plantae, and Animalia.
C)   Protista, Fungi, Plantae, and Animalia.
D)   Archaea, Bacteria, Plantae, and Animalia.
E)   Archaea, Fungi, Plantae, and Animalia.F) C) and D)
G) A) and E)

Question 16

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

Accepted Answer

A) True 
 B)False

Question 17

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) None of the above
G) A) and E)

Question 18

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) A) and C)
G) A) and E)

Question 19

A major difference between prokaryotes and eukaryotes is that prokaryotes

Accepted Answer

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

Question 20

Pollination is a step of ________ in a plant.

Accepted Answer

A)   sexual reproduction
B)   asexual reproduction
C)   development
D)   metabolism
E)   homeostasisF) C) and E)
G) C) and D)

Exam 1: The Scientific Study of Life

Homo sapiens is in which domain?

Correct Answer
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The four kingdoms included in the domain Eukarya are

Correct Answer
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Correct Answer
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Pollination is a step of ________ in a plant.

Correct Answer
verified

Correct Answer
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If you were grading a set of exams dealing with the scientific method,which statement would lead to a student losing points?

Correct Answer
verified

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

Correct Answer
verified

Correct Answer
verified

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

Correct Answer
verified

A major difference between prokaryotes and eukaryotes is that prokaryotes

Correct Answer
verified

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

Correct Answer
verified

Gravity is a theory because it is

Correct Answer
verified

If you found an organism that was single-celled and had a nucleus,you would classify it as a member of the Archaea.

Correct Answer
verified

The proximate reason for the uptake by plants of nutrients like ammonium nitrate is

Correct Answer
verified

A theory differs from a hypothesis in that a theory

Correct Answer
verified

What is the advantage of a moth having a very long tongue if an orchid has a very long nectar spur?

Correct Answer
verified

The leaf of a strawberry plant is

Correct Answer
verified

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

Correct Answer
verified

Organisms that extract energy from nonliving environmental resources are called

Correct Answer
verified

Which is the correct sequence for levels of biological organization within a multicellular organism?

Correct Answer
verified

Exam 1: The Scientific Study of Life

Homo sapiens is in which domain?

Correct AnswerverifiedShow Answer

The four kingdoms included in the domain Eukarya are

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Pollination is a step of ________ in a plant.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

If you were grading a set of exams dealing with the scientific method,which statement would lead to a student losing points?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A major difference between prokaryotes and eukaryotes is that prokaryotes

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Gravity is a theory because it is

Correct AnswerverifiedShow Answer

If you found an organism that was single-celled and had a nucleus,you would classify it as a member of the Archaea.

Correct AnswerverifiedShow Answer

The proximate reason for the uptake by plants of nutrients like ammonium nitrate is

Correct AnswerverifiedShow Answer

A theory differs from a hypothesis in that a theory

Correct AnswerverifiedShow Answer

What is the advantage of a moth having a very long tongue if an orchid has a very long nectar spur?

Correct AnswerverifiedShow Answer

The leaf of a strawberry plant is

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Organisms that extract energy from nonliving environmental resources are called

Correct AnswerverifiedShow Answer

Which is the correct sequence for levels of biological organization within a multicellular organism?

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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