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

Phosphorus is considered to be an essential element for life; if the bacteria found in Mono Lake actually incorporate arsenic into their DNA,this assessment will need to be reevaluated.

(True/False)

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Question 41

Which of the following actions is an example of conducting an experiment?

(Multiple Choice)

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Question 42

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

(Short Answer)

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Question 43

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

(Short Answer)

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Question 44

Which of the following statements about the scientific method is true?

(Multiple Choice)

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Question 45

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

(Multiple Choice)

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Question 46

The observation that polar ice floes are thinning or melting much earlier each spring than they did 20 years ago is an example of a scientific ________.

(Short Answer)

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Question 47

The discovery that bacteria living in Mono Lake may have replaced the phosphorus in certain biomolecules with ________ has challenged long-held assumptions about the chemical nature of life.

(Short Answer)

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Question 48

Which of the following statements is NOT a reason why humans are the most difficult organism to study?

(Multiple Choice)

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Question 49

More than one adaptive trait in the pronghorn has been influenced by the presence of predators; in addition to its great speed,the pronghorn also has

(Multiple Choice)

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Question 50

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

(Multiple Choice)

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Question 51

DNA is one of the features common to all known forms of life.Which of the following statements about DNA is true?

(Multiple Choice)

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Question 52

Living cells are separated from the outside environment by a flexible

(Multiple Choice)

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Question 53

Which of the following ecological features would NOT be considered a component of an ecosystem?

(Multiple Choice)

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Question 54

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

(Multiple Choice)

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Question 55

Experimentation is the primary means that verifies or refutes the ________ made by a hypothesis.

(Short Answer)

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Question 56

Some clinical trials of high doses of nutrients that were thought to be cancer fighters have been shut down prematurely because they drove up cancer rates.

(True/False)

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Question 57

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?

(Multiple Choice)

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Question 58

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

(Multiple Choice)

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Question 59

The organs that constitute an organ system often work cooperatively to maintain homeostasis.

(True/False)

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Question 60

Showing 41 - 60 of 80

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

Phosphorus is considered to be an essential element for life; if the bacteria found in Mono Lake actually incorporate arsenic into their DNA,this assessment will need to be reevaluated.

Which of the following actions is an example of conducting an experiment?

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

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

Which of the following statements about the scientific method is true?

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

The observation that polar ice floes are thinning or melting much earlier each spring than they did 20 years ago is an example of a scientific ________.

The discovery that bacteria living in Mono Lake may have replaced the phosphorus in certain biomolecules with ________ has challenged long-held assumptions about the chemical nature of life.

Which of the following statements is NOT a reason why humans are the most difficult organism to study?

More than one adaptive trait in the pronghorn has been influenced by the presence of predators; in addition to its great speed,the pronghorn also has

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

DNA is one of the features common to all known forms of life.Which of the following statements about DNA is true?

Living cells are separated from the outside environment by a flexible

Which of the following ecological features would NOT be considered a component of an ecosystem?

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

Experimentation is the primary means that verifies or refutes the ________ made by a hypothesis.

Some clinical trials of high doses of nutrients that were thought to be cancer fighters have been shut down prematurely because they drove up cancer rates.

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?

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

The organs that constitute an organ system often work cooperatively to maintain homeostasis.

The Chemistry of Life

Cell Structure and Internal Compartments

Cell Membranes, Transport, and Communication

Energy, Metabolism, and Enzymes

Photo Synthesis and Cellular Respiration

Cell Division

Cancer and Human Health

Patterns of Inheritance

Chromosomes and Human Genetics

DNA and Genes

From Gene to Protein

DNA Technology

How Evolution Works

The Origin of Species

The Evolution of Biodiversity

Biological Diversity, Bacteria, and Archaea

Protista, Plantae, and Fungi

Animalia

The Biosphere

Growth of Populations

Animal Behavior

Ecological Communities

Ecosystems

Global Change

Filters

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