Question 1

Which of the following organisms has a reproductive strategy that does NOT depend on eggs and sperm?

Accepted Answer

A)   a grasshopper
B)   a black widow spider
C)   a turtle
D)   a bacteriumE) None of the above
F) A) and B)

Question 2

Multicellular organisms are constructed from many types of specialized cells.Why might having specialized cells be more advantageous than being a single-celled organism?

Accepted Answer

A)   Specialized cells can do a given job better than general-purpose cells can.
B)   Specialized cells can survive independently of the organism.
C)   Nonspecialized cells do not live as long as specialized cells.
D)   Nonspecialized cells are unable to stick together to make up a multicellular organism.E) A) and D)
F) A) and B)

Question 3

The basic unit of life is the

Accepted Answer

A)   cell.
B)   organ.
C)   organelle.
D)   tissue.E) None of the above
F) B) and D)

Question 4

Advantageous genetic features that evolve over time and help an organism survive or reproduce are called ________.

Accepted Answer

The answer of Advantageous genetic features that evolve over time...

Question 5

Microbiologists quickly responded to the paper by Dr.Wolfe-Simon in which she claimed to have discovered bacteria that were using arsenic to construct their DNA.One of the most challenging criticisms was that she and her colleagues

Accepted Answer

A)   were unable to account for arsenic's toxicity to other organisms.
B)   published the paper before going through the conventional peer review process.
C)   had an inadequate protocol for eliminating all phosphorus from the test tubes that contained the bacteria.
D)   lacked comparative information about closely related bacteria within the Halomonadaceae family.E) A) and B)
F) A) and C)

Question 6

Biologists hypothesize that the now-extinct American cheetah provided the selection pressure that led to the swiftness of the pronghorn.Which of the following statements is the most likely prediction of how pronghorn speed might change in the next few thousand years?

Accepted Answer

A)   Pronghorns will continue to become even faster;it is always better to run as fast as possible.
B)   Pronghorns will become slower as individuals divert energy and resources away from running and toward other features that improve their fitness to survive.
C)   Pronghorns will maintain their speed;once a characteristic is developed,it is always retained.
D)   Pronghorns will maintain their speed because predators such as cougars,wolves,and coyotes,will remove slower individuals.E) All of the above
F) C) and D)

Question 7

In which of the following foods would the energy content be most directly connected to solar energy?

Accepted Answer

A)   an apple
B)   a hamburger
C)   a slice of pizza
D)   a grilled cheese sandwichE) A) and D)
F) B) and C)

Question 8

One of the largest long-term clinical trials in the United States,which encompassed about 14,000 male physicians ages 50 and older,found that the incidence of cancer could be decreased by 8 percent by taking a common combination of essential ________ and ________ daily,compared with taking a placebo.

Accepted Answer

The answer of One of the largest long-term clinical trials...

Question 9

The genetic material used for reproduction by organisms that are conventionally considered to be living is ________.

Accepted Answer

The answer of The genetic material used for reproduction by...

Question 10

Homeostasis is the ability to detect and correct disturbances that develop within an organism.Which of the following things is NOT regulated by homeostasis?

Accepted Answer

A)   hunger
B)   thirst
C)   external temperature
D)   exhalationE) B) and C)
F) C) and D)

Question 11

Which of the following sequences correctly represents the biological hierarchy of a multicellular organism?

Accepted Answer

A)   cells  →\rarr→  tissues  →\rarr→  organs  →\rarr→  organ systems  →\rarr→  individual
B)   tissues  →\rarr→ organs  →\rarr→  organ systems  →\rarr→  cells  →\rarr→  individual
C)   individual  →\rarr→  organs  →\rarr→  cells  →\rarr→  organ systems  →\rarr→  tissues
D)   organ systems  →\rarr→  organs  →\rarr→  tissues  →\rarr→  cells  →\rarr→  individual E) A) and B)
F) A) and C)

Question 12

Biology is the scientific study of ________.

Accepted Answer

The answer of Biology is the scientific study of ________....

Question 13

Mediterranean gardeners' repeated replanting of seeds from wild mustard plants that showed unusually prolific flower bud and flower growth led to the creation of what modern cruciferous plants?

Accepted Answer

A)   turnips and kohlrabi
B)   kale and cabbage
C)   cauliflower and kale
D)   broccoli and cauliflowerE) A) and B)
F) A) and C)

Question 14

Which of the following statements about how organisms obtain energy is true?

Accepted Answer

A)   Producers obtain their energy from other organisms.
B)   Producers represent the final energy transfer in the sequence of energy transfers between the environment and living organisms.
C)   Consumers obtain their energy from other organisms.
D)   Consumers represent the initial energy transfer in the sequence of energy transfers between the environment and living organisms.E) A) and B)
F) A) and C)

Question 15

In the scientific method,observations are most often followed by ________ and then ________.

Accepted Answer

hypotheses...

Question 16

All living organisms sense their environment and respond to it.

Accepted Answer

A) True 
 B)False

Question 17

A medical diagnosis is a(n)

Accepted Answer

A)   observation.
B)   experiment.
C)   theory.
D)   hypothesis.E) A) and C)
F) C) and D)

Question 18

Which of the following activities is an example of an experiment?

Accepted Answer

A)   reading a blood pressure gauge
B)   examining an X-ray
C)   taking prescription medicine
D)   making a medical diagnosisE) B) and C)
F) B) and D)

Question 19

Which of the following statements about the biological hierarchy is true?

Accepted Answer

A)   Ecosystems are composed of one or more biomes.
B)   Communities are composed of one or more ecosystems.
C)   The biosphere includes all life forms and the places where they live.
D)   The biosphere is an intermediate classification that falls between ecosystems and biomes.E) All of the above
F) B) and C)

Question 20

All animals have the capacity to sense their environment and respond to it.Which of the following statements is an example of this process?

Accepted Answer

A)   Humans can see better than any other animal.
B)   Humans can hear better than any other animal.
C)   Humans have a better sense of smell than any other animal.
D)   Although humans are not the fastest or strongest animal,they have a set of sensory adaptations that are entirely compatible with human biology and environment.E) None of the above
F) A) and D)

Exam 1: The Nature of Science and the Characteristics of Life

Which of the following statements about the biological hierarchy is true?

Correct AnswerverifiedShow Answer

Which of the following organisms has a reproductive strategy that does NOT depend on eggs and sperm?

Correct AnswerverifiedShow Answer

A medical diagnosis is a(n)

Correct AnswerverifiedShow Answer

All animals have the capacity to sense their environment and respond to it.Which of the following statements is an example of this process?

Correct AnswerverifiedShow Answer

All living organisms sense their environment and respond to it.

Correct AnswerverifiedShow Answer

Which of the following sequences correctly represents the biological hierarchy of a multicellular organism?

Correct AnswerverifiedShow Answer

Homeostasis is the ability to detect and correct disturbances that develop within an organism.Which of the following things is NOT regulated by homeostasis?

Correct AnswerverifiedShow Answer

The genetic material used for reproduction by organisms that are conventionally considered to be living is ________.

Correct AnswerverifiedShow Answer

The basic unit of life is the

Correct AnswerverifiedShow Answer

Multicellular organisms are constructed from many types of specialized cells.Why might having specialized cells be more advantageous than being a single-celled organism?

Correct AnswerverifiedShow Answer

Which of the following statements about how organisms obtain energy is true?

Correct AnswerverifiedShow Answer

Advantageous genetic features that evolve over time and help an organism survive or reproduce are called ________.

Correct AnswerverifiedShow Answer

Mediterranean gardeners' repeated replanting of seeds from wild mustard plants that showed unusually prolific flower bud and flower growth led to the creation of what modern cruciferous plants?

Correct AnswerverifiedShow Answer

Microbiologists quickly responded to the paper by Dr.Wolfe-Simon in which she claimed to have discovered bacteria that were using arsenic to construct their DNA.One of the most challenging criticisms was that she and her colleagues

Correct AnswerverifiedShow Answer

Biologists hypothesize that the now-extinct American cheetah provided the selection pressure that led to the swiftness of the pronghorn.Which of the following statements is the most likely prediction of how pronghorn speed might change in the next few thousand years?

Correct AnswerverifiedShow Answer

Biology is the scientific study of ________.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

In which of the following foods would the energy content be most directly connected to solar energy?

Correct AnswerverifiedShow Answer

In the scientific method,observations are most often followed by ________ and then ________.

Correct Answerverifiedhypotheses...View AnswerShow Answer

Which of the following activities is an example of an experiment?

Correct AnswerverifiedShow Answer

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In the scientific method,observations are most often followed by and then .

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hypotheses...
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