Question 1

Ever since the antibiotic drug penicillin was discovered in 1928,the incidence of resistant bacteria has steadily increased as a direct result of

Accepted Answer

A)   biodiversity.
B)   natural selection.
C)   homeostasis.
D)   development.
E)   reproduction.F) All of the above
G) C) and D)

Question 2

Organs are composed of tissues,which are composed of cells.This is an example of which characteristic of life?

Accepted Answer

A)   Living things grow and develop.
B)   Living things respond to stimuli.
C)   Living things maintain themselves by homeostasis.
D)   Living things have levels of hierarchical organization.
E)   Living things are adapted to the environment.F) C) and D)
G) A) and B)

Question 3

Which statement concerning reproduction is false?

Accepted Answer

A)   Hereditary information is passed on to the next generation.
B)   Hereditary information is in the form of genes.
C)   The offspring of asexual organisms have the same genes as the single parent.
D)   The offspring of sexual organisms have roughly one half of the genes from each parent.
E)   The offspring of multicellular organisms tend to be identical to the parent.F) B) and E)
G) A) and B)

Question 4

A multicellular,photosynthetic organism with complex,specialized cells and tissues would most likely be assigned to

Accepted Answer

A)   kingdom Animalia.
B)   kingdom Fungi.
C)   domain Archaea.
D)   kingdom Protista.
E)   kingdom Plantae.F) B) and C)
G) B) and E)

Question 5

The smallest unit that has all of the characteristics of life is the

Accepted Answer

A)   cell.
B)   tissue.
C)   organ.
D)   organ system.
E)   organism.F) C) and D)
G) B) and D)

Question 6

Which statement about living organisms is not correct?

Accepted Answer

A)   Living organisms create energy.
B)   Living organisms maintain homeostasis.
C)   Living organisms reproduce.
D)   Living organisms have adaptations.
E)   Living organisms grow and develop.F) A) and B)
G) A) and C)

Question 7

Give examples of the costs and benefits of using technology.

Accepted Answer

Answers will vary.Some of the potential ...

Question 8

Which statement regarding science technology is false?

Accepted Answer

A)   Science technology has brought about life-improving discoveries, such as antibiotics.
B)   Science technology helps us to understand the causes of cancer.
C)   Science technology is a basis for all ethical or moral decisions.
D)   Science technology may ease the feeding of the world population by producing new plant strains.
E)   Scientific experimentation may make use of a model instead of an actual subject.F) All of the above
G) A) and E)

Question 9

The layer where organisms can exist on the surface of the earth is the

Accepted Answer

A)   biosphere.
B)   ecosystem.
C)   population.
D)   homeostasis.
E)   community.F) A) and E)
G) B) and E)

Question 10

The common name for "cat" in Spanish is "gato" and in Chinese is "mao." Which of the following statements pertaining to the use of scientific names instead of common names is false?

Accepted Answer

A)   Common names may include different sets of organisms.
B)   Scientific names can be known and recognized by all scientists throughout the world.
C)   To recognize an organism in the literature by its common name, a scientist would have to know multiple languages.
D)   The scientific name begins to tie the organism into related groups.
E)   The common name clearly identifies an organism as unique.F) B) and E)
G) B) and D)

Question 11

Which of the following is a potential consequence if people stop using technology in the agriculture industry?

Accepted Answer

A)   There could be a significant decrease in the amount of food produced.
B)   A collapse of many of the terrestrial ecosystems on Earth.
C)   The extinction of the top level species that reside in the communities around the agricultural land.
D)   The amount of food produced would increase.
E)   None of these consequences will occur if people stop using technology in the agriculture industry.F) A) and D)
G) C) and D)

Question 12

Using technology in the field of agriculture has enabled farmers to feed a growing human population.

Accepted Answer

A) True 
 B)False

Question 13

When comparing energy and chemicals in an ecosystem,

Accepted Answer

A)   both chemicals and energy cycle over and over again.
B)   chemicals cycle over and over again but energy flows through once.
C)   both chemicals and energy flow through once.
D)   energy cycles over and over again but chemicals flow through once.
E)   neither cycle nor flow but both are simply present.F) B) and E)
G) A) and E)

Question 14

Corn belongs to the kingdom

Accepted Answer

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

Question 15

Which of the following represents a potential threat to biodiversity?

Accepted Answer

A)   People construct artificial reefs to support marine life.
B)   Humans clear land for agriculture and housing.
C)   Energy flows through an ecosystem, with much lost as heat.
D)   Tropical rain forests and coral reefs are found where solar energy is the most abundant.
E)   In a food chain, one population feeds on another.F) A) and B)
G) A) and C)

Question 16

You are conducting an experiment to determine what concentration of disinfectant is most effective in killing bacteria.In this example,the concentration of disinfectant would represent the

Accepted Answer

A)   control.
B)   experimental variable.
C)   response variable.
D)   data.
E)   hypothesis.F) B) and C)
G) C) and D)

Question 17

The body temperature in humans is maintained around 37 ∘\circ∘ C.Which characteristic of life does this information represent?

Accepted Answer

A)   Living things acquire materials and energy from the environment.
B)   Living things are homeostatic.
C)   Living things are adapted.
D)   Living things grow and develop.
E)   Living things respond to stimuli. F) All of the above
G) None of the above

Question 18

You have discovered a previously unknown organism.It is multicellular,with a filamentous form,and absorbs food from its environment.Upon microscopic examination,you see that the cells have nuclei.How would you classify this organism?

Accepted Answer

A)   domain Bacteria
B)   kingdom Animalia
C)   kingdom Protista
D)   kingdom Fungi
E)   kingdom PlantaeF) C) and D)
G) B) and C)

Question 19

Which of the following is of least importance when concerning the preservation of ecosystems?

Accepted Answer

A)   Ecosystem preservation maintains the status of species in their current state.
B)   Many different organisms perform services that ensure our continued existence.
C)   Humans derive medicines, food and many important materials from functioning ecosystems.
D)   Preservation of ecosystems allows humans to exploit as many resources as possible.
E)   It is estimated that possibly 400 species become extinct each day due to activities of humans.F) B) and D)
G) B) and C)

Question 20

Which sequence correctly lists the different levels of biological organization,from the smallest and simplest to the largest and most complex?

Accepted Answer

A)   cells-organs-tissues-organ systems-organism
B)   cells-tissues-organ systems-organs-organism
C)   tissues-cells-organs-organ systems-organism
D)   tissues-organs-organ systems-organisms-cells
E)   cells-tissues-organs-organ systems-organismsF) B) and E)
G) A) and B)

Exam 1: The Study of Life

You have discovered a previously unknown organism.It is multicellular,with a filamentous form,and absorbs food from its environment.Upon microscopic examination,you see that the cells have nuclei.How would you classify this organism?

Correct AnswerverifiedShow Answer

Give examples of the costs and benefits of using technology.

Correct AnswerverifiedAnswers will vary.Some of the potential ...View AnswerShow Answer

The layer where organisms can exist on the surface of the earth is the

Correct AnswerverifiedShow Answer

You are conducting an experiment to determine what concentration of disinfectant is most effective in killing bacteria.In this example,the concentration of disinfectant would represent the

Correct AnswerverifiedShow Answer

Which sequence correctly lists the different levels of biological organization,from the smallest and simplest to the largest and most complex?

Correct AnswerverifiedShow Answer

Which statement concerning reproduction is false?

Correct AnswerverifiedShow Answer

A multicellular,photosynthetic organism with complex,specialized cells and tissues would most likely be assigned to

Correct AnswerverifiedShow Answer

The smallest unit that has all of the characteristics of life is the

Correct AnswerverifiedShow Answer

The common name for "cat" in Spanish is "gato" and in Chinese is "mao." Which of the following statements pertaining to the use of scientific names instead of common names is false?

Correct AnswerverifiedShow Answer

Which of the following represents a potential threat to biodiversity?

Correct AnswerverifiedShow Answer

The body temperature in humans is maintained around 37 ∘\circ∘ C.Which characteristic of life does this information represent?

Correct AnswerverifiedShow Answer

When comparing energy and chemicals in an ecosystem,

Correct AnswerverifiedShow Answer

Corn belongs to the kingdom

Correct AnswerverifiedShow Answer

Using technology in the field of agriculture has enabled farmers to feed a growing human population.

Correct AnswerverifiedShow Answer

Organs are composed of tissues,which are composed of cells.This is an example of which characteristic of life?

Correct AnswerverifiedShow Answer

Ever since the antibiotic drug penicillin was discovered in 1928,the incidence of resistant bacteria has steadily increased as a direct result of

Correct AnswerverifiedShow Answer

Which of the following is of least importance when concerning the preservation of ecosystems?

Correct AnswerverifiedShow Answer

Which of the following is a potential consequence if people stop using technology in the agriculture industry?

Correct AnswerverifiedShow Answer

Which statement regarding science technology is false?

Correct AnswerverifiedShow Answer

Which statement about living organisms is not correct?

Correct AnswerverifiedShow Answer

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The body temperature in humans is maintained around 37^$\circ$C.Which characteristic of life does this information represent?

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