· Web viewA bird like an osprey can catch a fish. The osprey has massive flight muscles, a white breast and belly to camouflage its presence, and strong feet and claws to hold onto

1A hypothesis is ______.

A)

a conceptual scheme supported by many experiments

B)

a result of deductive reasoning

C)

a tentative explanation of the results

D)

a tentative explanation of observed phenomena

2Which statement is false about science?

A)

Science helps us to understand the natural world.

B)

Science is objective rather than subjective.

C)

Science has to be repeatable.

D)

Science should be published in a journal.

E)

The conclusion of an experiment can never change.

3

A ______ is a conceptual scheme that is supported by a large number of observations and not found lacking.

A)

hypothesis

B)

law

C)

result

D)

theory

E)

principle

4Hypotheses can never be proven true.

A)

True

B)

False

5The experimental variable in a controlled experiment is the result or change that is observed.

A)

True

B)

False

6A control sample goes through all the steps of the experiment except the one being tested.

A)

True

B)

False

7After conducting an experiment, scientists will usually report their findings in a newspaper article.

A)

True

B)

False

8Scientists usually report their mathematical data obtained from experiments in a table or graph.

A)

True

B)

False

9Statistical tests from an experiment are often run to determine if there is a significant difference between the experimental variable and the dependent variable.

A)

True

B)

False

10What is usually the last step in the scientific method?

A)

accumulate scientific data

B)

formulate a hypothesis

C)

conduct an experiment with a control group

D)

draw a conclusion on the basis of the experiment

11Which of the following has the greatest amount of evidence for being "true"?

A)

hypotheses

B)

conclusion

C)

theory

D)

law

12In the design of a controlled experiment to test if a sweetener is a safe food additive, genetically different mice are nonrandomly divided into the control group and the test groups.

A)

True

B)

False

13A theory that is accepted by many scientists sometimes is called a ______.

A)

hypothesis

B)

law

C)

result

D)

data sample

14The ______ theory enables scientists to understand the history of life, the variety of living things, and the development of organisms.

A)

cell

B)

gene

C)

evolution

D)

biogenesis

15There are no advantages of reporting a scientific experiment in a scientific journal other than that it allows other researchers to repeat the experiment by knowing how the experiment was conducted.

A)

True

B)

False

16Which theory states that organisms contain coded information that dictates their form, function, and behavior?

A)

Cell Theory

B)

Gene Theory

C)

Biogenesis Theory

D)

Evolution Theory

17Which theory states that all organisms are composed of cells?

A)

Cell Theory

B)

Gene Theory

C)

Biogenesis Theory

D)

Evolution Theory

18Which theory states that all living things have a common ancestor and are adapted to a particular way of life?

A)

Cell Theory

B)

Gene Theory

C)

Biogenesis Theory

D)

Evolution Theory

19Which theory states that life comes only from life?

Cell Theory

A)

B)

Gene Theory

C)

Biogenesis Theory

D)

Evolution Theory

20Which of the following statements is NOT true about science?

A)

The results of a scientific experiment must be repeatable.

B)

The hypothesis of a scientific experiment must be falsifiable.

C)

The methods and results of a scientific experiment must be published in a scientific journal.

D)

The design of a scientific experiment should include a control sample.

E)

The results of an experiment do not need to be statistically analyzed.

21The general approach scientists employ to gather information is known as the _____.

random-choice method

A)

B)

scientific method

C)

Darwin method

D)

hit-or-miss method

22In which way has science NOT improved our lives?

A)

discovery of antibiotics

B)

increased ethical and moral values

C)

production of new strains of agricultural plants

D)

development of polio vaccines

E)

understanding the mechanisms that cause cancer

23The scientific method tests hypotheses about the natural world, but ethical and moral decisions are NOT testable.

True

A)

B)

False

24The circulatory system is composed of the heart and the blood vessels, which in turn are composed of cells. This is an example of which characteristic of life?

A)

Living things are organized.

B)

Living things are homeostatic.

C)

Living things are adapted to a particular way of life.

D)

Living things reproduce.

E)

Living things grow and develop.

25The next higher level of biological organization above the cell is the ______.

A)

organ

B)

organ system

tissue

C)

D)

atom

E)

molecule

26The highest level of biological organization listed here is the ______.

A)

atom

B)

cell

C)

tissues

D)

organ

E)

organism

27Which sequence correctly increases complexity in the level of biological organization?

A)

atoms, molecules, cells, organs, tissues

B)

molecules, atoms, cells, organs, tissues

C)

atoms, molecules, tissues, organs, cells

D)

atoms, molecules, cells, tissues, organs

E)

atoms, molecules, organs, tissues, cells

28Atoms are made up of molecules.

A)

True

B)

False

29A(n) ______ is the lowest level of biological organization to have the characteristics of life.

A)

organ

B)

cell

C)

tissue

D)

organ system

E)

organism

30The stomach in our body represents which level of biological organization?

A)

tissue

B)

organ system

C)

cell

D)

organ

E)

molecule

31Organs, such as the heart, are composed of ______ which is the next lower level of biological organization.

A)

tissues

B)

organ systems

C)

cells

D)

atoms

E)

molecules

32Which of the following is NOT a characteristic of life?

A)

Living things are adapted.

B)


C)

Living things are unorganized.

D)


E)


33It is easy to define the term life.

A)

True

B)

False

34Which of the following is NOT a characteristic of life?

A)


B)

Living things respond to stimuli.

C)


D)

Living things have an internal environment that stays absolutely constant.

E)


35The body temperature of humans fluctuates only slightly during the day. This is an example of which characteristic of life?

A)

Living things are adapted.

B)


C)


D)



E)

36Plants can capture solar energy and carry on ______, a process that allows them to make their own food.

A)

photosynthesis

B)

adaptation

C)

homeostasis

D)

evolution

E)

metabolism

37Food provides nutrient molecules, which are used either as building blocks or for ______.

A)

photosynthesis

B)

energy

C)

reproduction

homeostasis

D)

E)

metabolism

38All systems of the body contribute to homeostasis. The ______ system provides nutrient molecules.

A)

circulatory

B)

excretory

C)

nervous

D)

hormonal

E)

digestive

39All systems of the body contribute to homeostasis. The ______ system transports the nutrient molecules about the body.

A)

circulatory

B)

excretory

nervous

C)

D)

hormonal

E)

digestive

40All systems of the body contribute to homeostasis. The ______ system rids the blood of metabolic wastes.

A)

circulatory

B)

excretory

C)

nervous

D)

hormonal

E)

digestive

41All systems of the body contribute to homeostasis. The ______ systems coordinate the activities of the other systems.

A)

circulatory

B)

excretory

C)

respiratory

D)

nervous and hormonal

E)

digestive

42Living things respond to external stimuli. Which of the following is NOT a response to a stimulus?

A)

Leaves of plants track the movements of the sun during the day.

B)

A houseplant, when placed near a window, bends its stem to face the sun.

C)

The pupils of the human eye dilate in a dark environment.

D)

Touching a hot stove causes the hand to quickly move away.

E)

Organs are composed of tissues, and each tissue contains groups of similar cells.

43Food that humans eat is used in our body cells only for energy.

True

A)

B)

False

44______ is the capacity to do work.

A)

Metabolism

B)

Homeostasis

C)

Reproduction

D)

Adaptation

E)

Energy

45When a sharp pin gets stuck in your finger, your arm moves quickly away. This is an example of which characteristic of life?

A)


B)



C)

D)


E)


46Behavior is directed toward minimizing injury, acquiring food, and reproducing.

A)

True

B)

False

47Living things cannot maintain their organization or carry on life's activities without an ______.

A)

outside source of material.

B)

outside source of energy.

C)

outside source of materials and energy.

D)

internal source of materials and energy.

48The ability of living things to produce offspring that resemble themselves is called ______.

A)

homeostasis

B)

adaptation

C)

reproduction

D)

evolution

E)

taxonomy

49All the chemical reactions that occur in a cell are called ______.

A)

homeostasis

B)

adaptation

C)

reproduction

D)

metabolism

E)

taxonomy

50A bird like an osprey can catch a fish. The osprey has massive flight muscles, a white breast and belly to camouflage its presence, and strong feet and claws to hold onto the slippery fish. This is an example of which characteristic of life?

A)


B)


C)


D)


E)


51Which of the following statements is NOT correct about evolution?

A)

New variations within certain members of a species allow them to capture fewer resources.

B)

Members of a population with advantageous variations tend to survive and have more offspring.

C)

Each successive generation will include more members with the new advantageous variations.

In the end, most members of a species have the same adaptations to their environment.

D)

E)

Evolution can be used to explain the unity and diversity of life.

52An acorn seed becomes a seedling before it is an oak tree. This is an example of which characteristic of life?

A)


B)


C)


D)


E)


53Some organisms do NOT undergo development.

A)

True

B)

False

54A housefly has offspring that soon replace the parents. This is an example of which characteristic of life?

A)


B)


C)


D)


E)


55Modifications that make an organism better suited to its way of life are called ______.

A)

reproduction

B)

homeostasis

C)

adaptations

D)

metabolic reactions

taxonomy

E)

56______ is the process by which characteristics of species change through time.

A)

Adaptation

B)

Evolution

C)

Metabolism

D)

Reproduction

E)

Taxonomy

57Evolution can explain the unity of life but NOT the diversity of life.

A)

True

B)

False

58The ______ is in a dynamic balance because of the interactions of its populations.

A)

ecosystem

B)

biosphere

C)

biodiversity-reduction crisis

D)

Cell Theory

E)

Biogenesis Theory

59All the members of one species belong to a(an) ______.

A)

biosphere

B)

ecosystem

C)

population

D)

phylum

E)

kingdom

60The ______ is any place on the surface of the earth, whether in the atmosphere or down into the

seas, where organisms exist.

A)

experimental variable

B)

ecosystem

C)

biosphere

D)

biodiversity

E)

taxonomy

61The ______ represents all of the populations of organisms in one natural setting plus their physical environment.

A)

experimental variable

B)

ecosystem

C)

biosphere

D)

biodiversity

E)

taxonomy

62Humans are dependent on other species for food, clothing, medicine, and various raw materials.

A)

True

B)

False

63As more tropical rain forests are destroyed, an increase in ______ levels in the atmosphere is expected.

A)

carbon dioxide

B)

oxygen

C)

nitrogen

D)

ozone

E)

hydrogen

64Which of the following statements is FALSE?

A)

More ecosystems undergo modifications as the human population increases in size.

B)

Tropical rain forests act like a sponge to absorb carbon dioxide.

C)

The biosphere needs to be preserved for our own benefit.

D)

As ecosystems are destroyed, the number of species living there will increase.

65The human population tends to modify existing ecosystems for the best interests of the original populations.

A)

True

B)

False

66A(an) ______ is a biologist dedicated to naming, describing, and classifying organisms.

A)

taxonomist

B)

ecologist

C)

anatomist

D)

physiologist

E)

taxidermist

67The scientific name for humans is Homo sapiens.

A)

True

B)

False

68The first word in the scientific name of an organism is the species name and the second word is the genus name.

A)

True

B)

False

69Species within the same genus share very similar characteristics.

A)

True

B)

False

70Species are classified according to their presumed evolutionary relationship.

A)

True

B)

False

71The scientific name for corn is Zea Mays.

A)

True

B)

False

72What is the correct scientific name for humans?

A)

sapiens homo

B)

sapiens Homo

C)

homo sapiens

D)

Homo sapiens

73Humans belong to the kingdom ______.

Fungi

A)

B)

Animalia

C)

Plantae

D)

Protista

E)

Hominidae

74According to the binomial classification system, humans belong in the phylum ______.

A)

Mammalia

B)

Homo

C)

Hominidae

D)

Primates

E)

Chordata

75According to the binomial classification system, humans belong in the class ______.

A)

Animalia

B)

Chordata

C)

Mammalia

D)

Primates

E)

Hominidae

76According to the binomial classification system, humans belong in the family ______.

A)

Animalia

B)

Chordata

C)

Mammalia

D)

Primates

E)

Hominidae

77Protozoans, algae, and water molds belong to the kingdom ______.

A)

Animalia

B)

Plantae

C)

Cnidaria

D)

Protista

E)

Fungi

78Molds and mushrooms belong to the kingdom ______.

A)

Animalia

B)

Plantae

C)

Cnidaria

D)

Protista

E)

Fungi

79Mosses and ferns belong to the kingdom ______.

A)

Animalia

B)

Plantae

C)

Cnidaria

D)

Protista

E)

Fungi

80Which of the following taxonomic sequences is correct starting from the most specific but including the fewest in number?

A)

species, family, order, class, genus

B)

genus, species, family, order, class

C)

family, species, genus, class, order

D)

class, order, family, genus, species

E)

species, genus, family, order, class

81Which of the following statements is FALSE?

A)

Organisms placed in the same genus are least closely related.

B)

The scientific name for humans is Homo sapiens.

C)

Moving from species to kingdom, more different species are included in each higher category.

D)

Species that are in the same genus share very specific characteristics.

E)

Taxonomists are biologists who classify organisms.

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· Web viewA bird like an osprey can catch a fish. The osprey has massive flight muscles, a white breast and belly to camouflage its presence, and strong feet and claws to hold onto