Question 1

All living organisms sense their environment and respond to it.

Accepted Answer

A) True 
 B)False

Question 2

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 bacterium 
A)  a grasshopper 
B)  a black widow spider 
C)  a turtle 
D)  a bacterium

Question 3

A medical diagnosis is a(n)

Accepted Answer

A)  observation. 
B)  experiment. 
C)  theory. 
D)  hypothesis. 
A)  observation. 
B)  experiment. 
C)  theory. 
D)  hypothesis.

Question 4

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. 
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.

Question 5

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

Question 6

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. 
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.

Question 7

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

Accepted Answer

hypotheses

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

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 sandwich 
A)  an apple 
B)  a hamburger 
C)  a slice of pizza 
D)  a grilled cheese sandwich

Question 10

The basic unit of life is the

Accepted Answer

A)  cell. 
B)  organ. 
C)  organelle. 
D)  tissue. 
A)  cell. 
B)  organ. 
C)  organelle. 
D)  tissue.

Question 11

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

Question 12

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. 
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.

Question 13

Biology is the scientific study of ________.

Accepted Answer

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

Question 14

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 
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

Question 15

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 16

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. 
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.

Question 17

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. 
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.

Question 18

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)  exhalation 
A)  hunger 
B)  thirst 
C)  external temperature 
D)  exhalation

Question 19

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. 
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.

Question 20

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...

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

All living organisms sense their environment and respond to it.

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

A medical diagnosis is a(n)

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

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

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

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

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

The basic unit of life is the

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 statements about how organisms obtain energy is true?

Biology is the scientific study of ________.

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

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

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?

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

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

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

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

The Chemistry of Life

Cell Structure and Internal Compartments

Cell Membranes, Transport, and Communication

Energy, Metabolism, and Enzymes

Photosynthesis 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

Internal Organization and Homeostasis

Nutrition and Digestion

Circulation and Gas Exchange

Animal Hormones

Nervous and Sensory Systems

Skeletons,Muscles,and Movement

The Immune System

Reproduction and Development

Plant Structure, Nutrition, and Transport

Plant Growth and Reproduction

Filters

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