Question 1

Male amphibians, including frogs and toads, have been plagued by feminization, deformity, behavioral abnormalities and sterility. Biologists from the University of Floridainvestigated whether reproductive problems among populations of cane toads ( Bufo marinus)  arecaused by poisons from chemicals associated with agriculture. The biologists collected local adult cane toadsfrom more than 20 different locations. Toads were collected from areas close to agriculture, both large-scale and small-scale farms, as well as from suburbs that are nonagricultural areas. Which of the following statements would be the best hypothesis for this study?

Accepted Answer

A)   Amphibian populations are facing problems due to agricultural chemicals.
B)   Toxins are capable of causing diseases and deformities within many amphibian populations.
C)   Toads collected from suburbs had fewer deformities compared to toads collected from agricultural areas.
D)   Agricultural chemicals can cause deformities and feminization amongst cane toads.
E)   More male toads from the large-scale agricultural areas showed signs of feminization.F) C) and E)
G) All of the above

Question 2

Managing emerging diseases such as SARS is just one of the many challenges facing science today.

Accepted Answer

A) True 
 B)False

Question 3

Living organisms must constantly take in energy in order to power functions necessary to remain alive. All of the chemical reactions that involve energy conversions within a cellare called

Accepted Answer

A)   evolution.
B)   respiration.
C)   photosynthesis.
D)   metabolism.
E)   homeostasis.F) A) and C)
G) C) and D)

Question 4

Kevin is studying predator-prey interactions. One day he notices a spider eating a cricket caught in its web. Later that day, a bird eats the spider. Based on the organisms involved in this study, what level of organization is he studying?

Accepted Answer

A)   population
B)   community
C)   ecosystem
D)   biosphere
E)   cellsF) A) and E)
G) B) and C)

Question 5

Which of the following can be categorized as prokaryotic?

Accepted Answer

A)   domain Eukarya
B)   kingdom Plantae
C)   kingdom Protista
D)   domain Archaea
E)   kingdom AnimaliaF) B) and C)
G) D) and E)

Question 6

Phylum Arthropoda is broken into subgroups which include both Arachnida (e.g., spiders)  and Insecta (e.g., insects) . As a result, Arachnida and Insecta most likely belong to which classification category?

Accepted Answer

A)   class
B)   order
C)   family
D)   kingdom
E)   domainF) C) and E)
G) D) and E)

Question 7

In science, a theory

Accepted Answer

A)   is tested by an experiment.
B)   is more narrow in scope than a hypothesis.
C)   encompasses many hypotheses.
D)   cannot be tested.
E)   is held to be an absolutely correct answer to a question.F) A) and E)
G) C) and D)

Question 8

In general, evolutionary processes lead to organisms that

Accepted Answer

A)   are perfect.
B)   function well in a given environment.
C)   can only survive in that one environment.
D)   have a single adaptive trait.
E)   become extinct.F) A) and D)
G) A) and C)

Question 9

Which of the following levels of biological organization is correctly matched with an example?

Accepted Answer

A)   a herd of bison - community
B)   a spider - organ system
C)   flowers and insects in a garden - organism
D)   a rock garden with various plants and rocks of different sizes - population
E)   a desert with little water, high heat, sand, cacti, and some mammals- ecosystemF) All of the above
G) A) and B)

Question 10

Which of the following statements inaccurately describes biodiversity?

Accepted Answer

A)   Biodiversity is the total number and relative abundance of species, the variability of their genes, and the different ecosystems in which they live.
B)   The biodiversity of our planet has been estimated to be around 8.7 million species.
C)   The impact of human activities on biodiversity loss is one of the most significant bioethical issues that we face today.
D)   So far, approximately 6 million species have been identified and named.
E)   Biologists are alarmed about the current rate of extinction.F) A) and E)
G) None of the above

Question 11

Which of the following statements is correctly matched to the step of the scientific method?

Accepted Answer

A)   Biologists suggested that 2-3 cups of coffee per day can decrease death rates among women. (Hypothesis) 
B)   Leslie set up mist nets to catch bats flying over a small stream. Each bat that was caught was weighed and sexed. (Experimental design) 
C)   Bethany watched butterflies feeding in a large field of wild flowers. She noticed that more butterflies approached the yellow and purple flowers than the red flowers. (Observation) 
D)   A researcher reported that red-foot tortoises preferred red-colored fruits and vegetables to those that were green or white. (Conclusion) 
E)   All of the above statements are correctly matched.F) B) and E)
G) A) and E)

Question 12

Male amphibians, including frogs and toads, have been plagued by feminization, deformity, behavioral abnormalities and sterility. Biologists from the University of Floridainvestigated whether reproductive problems among populations of cane toads ( Bufo marinus)  arecaused by poisons from chemicals associated with agriculture. The biologists collected local adult cane toadsfrom more than 20 different locations. Toads were collected from areas close to agriculture, both large-scale and small-scale farms, as well as from suburbs that are nonagricultural areas. In this study, what is the genus of the study animal?

Accepted Answer

A)   Bufo marinus
B)   cane toad
C)   amphibian
D)   Bufo
E)   marinusF) B) and C)
G) All of the above

Question 13

Which kingdom includes both unicellular and multicellular organisms?

Accepted Answer

A)   Eukarya
B)   Bacteria
C)   Protista
D)   Fungi
E)   PlantaeF) None of the above
G) B) and C)

Question 14

The development of new technologies is based on science.

Accepted Answer

A) True 
 B)False

Question 15

Simon is an avid gardener who spends a lot of time caring for the plants in his garden. To minimize damage from pests from his garden, Simon uses a pesticide spray. After a few years of using the same pesticide spray, he notices that it has become less effective. This is most likely due to

Accepted Answer

A)   evolution by natural selection.
B)   using the spray incorrectly.
C)   the plants in the garden evolving.
D)   the plants maintaining homeostasis.
E)   something else in the environment.F) A) and C)
G) A) and D)

Question 16

Which of the following is true about ecosystems?

Accepted Answer

A)   nutrients are constantly recycled
B)   producers are a food source for both consumers and decomposers
C)   solar energy is required for photosynthesis
D)   chemicals are constantly recycled
E)   All of the above answers are true.F) All of the above
G) C) and E)

Question 17

Which of the following statement(s)  regarding genes is/are true? Select all that apply.

Accepted Answer

A)   Genes are made up of DNA.
B)   All cells in a multicellular organism contain the same set of genes.
C)   Humans receive their DNA/genes from either their mother or their father but not both.
D)   Variations in genes are the result of mutations.
E)   All organisms such as roses, elephants and mushrooms have the same set of genes.F) A) and D)
G) A) and B)

Question 18

The circulatory system of a whale is considered an organ system because it is composed of different

Accepted Answer

A)   cells.
B)   tissues.
C)   organs.
D)   molecules.
E)   hearts.F) A) and D)
G) B) and E)

Question 19

Scientists were studying temperature selection amongst pregnant big brown bats. What would be the best control group for this study?

Accepted Answer

A)   pregnant bats
B)   female bats that were not pregnant
C)   male bats
D)   juvenile male bats
E)   juvenile female batsF) B) and D)
G) B) and C)

Question 20

Is the following statement true or false? The only single-celled organismsare prokaryotes, such asarchaeans and bacteria.

Accepted Answer

A)   true, because prokaryotes are the simplest cell form
B)   true, because all eukaryotes are multicellular
C)   false, because some eukaryotes, including protista, are single-celled
D)   false, because some prokaryotes are multicellular
E)   false, because all single-celled organisms are prokaryotesF) B) and D)
G) B) and C)

Exam 1: Biology: the Science of Life

Which of the following can be categorized as prokaryotic?

Correct Answer
verified

Kevin is studying predator-prey interactions. One day he notices a spider eating a cricket caught in its web. Later that day, a bird eats the spider. Based on the organisms involved in this study, what level of organization is he studying?

Correct Answer
verified

Managing emerging diseases such as SARS is just one of the many challenges facing science today.

Correct Answer
verified

Correct Answer
verified

The circulatory system of a whale is considered an organ system because it is composed of different

Correct Answer
verified

Which of the following statements is correctly matched to the step of the scientific method?

Correct Answer
verified

Living organisms must constantly take in energy in order to power functions necessary to remain alive. All of the chemical reactions that involve energy conversions within a cellare called

Correct Answer
verified

Which kingdom includes both unicellular and multicellular organisms?

Correct Answer
verified

Which of the following is true about ecosystems?

Correct Answer
verified

The development of new technologies is based on science.

Correct Answer
verified

Is the following statement true or false? The only single-celled organismsare prokaryotes, such asarchaeans and bacteria.

Correct Answer
verified

Correct Answer
verified

Simon is an avid gardener who spends a lot of time caring for the plants in his garden. To minimize damage from pests from his garden, Simon uses a pesticide spray. After a few years of using the same pesticide spray, he notices that it has become less effective. This is most likely due to

Correct Answer
verified

Phylum Arthropoda is broken into subgroups which include both Arachnida (e.g., spiders) and Insecta (e.g., insects) . As a result, Arachnida and Insecta most likely belong to which classification category?

Correct Answer
verified

Which of the following statement(s) regarding genes is/are true? Select all that apply.

Correct Answer
verified

Which of the following levels of biological organization is correctly matched with an example?

Correct Answer
verified

Which of the following statements inaccurately describes biodiversity?

Correct Answer
verified

In general, evolutionary processes lead to organisms that

Correct Answer
verified

Scientists were studying temperature selection amongst pregnant big brown bats. What would be the best control group for this study?

Correct Answer
verified

In science, a theory

Correct Answer
verified

Exam 1: Biology: the Science of Life

Which of the following can be categorized as prokaryotic?

Correct AnswerverifiedShow Answer

Kevin is studying predator-prey interactions. One day he notices a spider eating a cricket caught in its web. Later that day, a bird eats the spider. Based on the organisms involved in this study, what level of organization is he studying?

Correct AnswerverifiedShow Answer

Managing emerging diseases such as SARS is just one of the many challenges facing science today.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

The circulatory system of a whale is considered an organ system because it is composed of different

Correct AnswerverifiedShow Answer

Which of the following statements is correctly matched to the step of the scientific method?

Correct AnswerverifiedShow Answer

Living organisms must constantly take in energy in order to power functions necessary to remain alive. All of the chemical reactions that involve energy conversions within a cellare called

Correct AnswerverifiedShow Answer

Which kingdom includes both unicellular and multicellular organisms?

Correct AnswerverifiedShow Answer

Which of the following is true about ecosystems?

Correct AnswerverifiedShow Answer

The development of new technologies is based on science.

Correct AnswerverifiedShow Answer

Is the following statement true or false? The only single-celled organismsare prokaryotes, such asarchaeans and bacteria.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Simon is an avid gardener who spends a lot of time caring for the plants in his garden. To minimize damage from pests from his garden, Simon uses a pesticide spray. After a few years of using the same pesticide spray, he notices that it has become less effective. This is most likely due to

Correct AnswerverifiedShow Answer

Phylum Arthropoda is broken into subgroups which include both Arachnida (e.g., spiders) and Insecta (e.g., insects) . As a result, Arachnida and Insecta most likely belong to which classification category?

Correct AnswerverifiedShow Answer

Which of the following statement(s) regarding genes is/are true? Select all that apply.

Correct AnswerverifiedShow Answer

Which of the following levels of biological organization is correctly matched with an example?

Correct AnswerverifiedShow Answer

Which of the following statements inaccurately describes biodiversity?

Correct AnswerverifiedShow Answer

In general, evolutionary processes lead to organisms that

Correct AnswerverifiedShow Answer

Scientists were studying temperature selection amongst pregnant big brown bats. What would be the best control group for this study?

Correct AnswerverifiedShow Answer

In science, a theory

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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