Question 1

Which of the following would probably not be studied by an ecologist?

Accepted Answer

A) The effects of increasing CO₂ on forests 
B) Circulatory system of fish 
C) Predator-prey relationships 
D) Growth of a mosquito population 
A) The effects of increasing CO₂ on forests 
B) Circulatory system of fish 
C) Predator-prey relationships 
D) Growth of a mosquito population B

Question 2

Which property or properties of life does a virus possess?

Accepted Answer

A) Has order 
B) Has cells 
C) Can reproduce on its own 
D) All of the above 
A) Has order 
B) Has cells 
C) Can reproduce on its own 
D) All of the above A

Question 3

Is a virus alive?

Accepted Answer

A) Yes,it possesses all of the requirements for life. 
B) Yes,it possesses enough of the requirements for life to be considered living. 
C) No,it does not possess all of the requirements for life. 
D) No,it does not possess any of the requirements for life. 
A) Yes,it possesses all of the requirements for life. 
B) Yes,it possesses enough of the requirements for life to be considered living. 
C) No,it does not possess all of the requirements for life. 
D) No,it does not possess any of the requirements for life. C

Question 4

How might washing your hands with an antibacterial soap increase your chance of getting a life-threatening bacterial infection?

Accepted Answer

The antibiotic in the soap sel

Question 5

Which of the following would be the strongest evidence for or against the necklace's effectiveness?

Accepted Answer

A) A pie chart comparing the percentage of players who do or do not wear the necklace 
B) A scatter plot showing days on the disabled list and percentage of players who do or do not wear the necklace 
C) A histogram illustrating the satisfaction levels of the players who wear the necklace 
D) A bar graph comparing batting averages of the players who wear the official titanium necklace and those who were unknowingly wearing a fake titanium necklace 
A) A pie chart comparing the percentage of players who do or do not wear the necklace 
B) A scatter plot showing days on the disabled list and percentage of players who do or do not wear the necklace 
C) A histogram illustrating the satisfaction levels of the players who wear the necklace 
D) A bar graph comparing batting averages of the players who wear the official titanium necklace and those who were unknowingly wearing a fake titanium necklace

Question 6

What happens to populations that are unable to adapt to changing environmental conditions?

Accepted Answer

A) They go extinct. 
B) They get smaller. 
C) They get larger. 
D) Their birth rate increases. 
A) They go extinct. 
B) They get smaller. 
C) They get larger. 
D) Their birth rate increases.

Question 7

What does the term "theory" mean to a scientist?

Accepted Answer

A) A collection of accepted hypotheses that explain a wide range of natural phenomena 
B) A guess 
C) A proposed explanation for an observed phenomenon 
D) A hypothesis that has been supported by the evidence of an experiment 
A) A collection of accepted hypotheses that explain a wide range of natural phenomena 
B) A guess 
C) A proposed explanation for an observed phenomenon 
D) A hypothesis that has been supported by the evidence of an experiment

Question 8

Natural selection ________.

Accepted Answer

A) prepares organisms for future changes in the environment 
B) is a rare phenomenon 
C) is the result of sampling error 
D) results in evolutionary adaptation 
A) prepares organisms for future changes in the environment 
B) is a rare phenomenon 
C) is the result of sampling error 
D) results in evolutionary adaptation

Question 9

What is the unifying or "core" theme of biology?

Accepted Answer

A) Evolution 
B) Energy transfer 
C) Nutrient recycling 
D) Hierarchical organization 
A) Evolution 
B) Energy transfer 
C) Nutrient recycling 
D) Hierarchical organization

Question 10

Which of the following organisms arose through artificial selection?

Accepted Answer

A) Polar bears 
B) Dandelions 
C) Sea bass 
D) Dalmatians 
A) Polar bears 
B) Dandelions 
C) Sea bass 
D) Dalmatians

Question 11

Which is not a requirement for natural selection to occur?

Accepted Answer

A) Unequal reproductive success 
B) Competition for limited resources 
C) Variation in the offspring 
D) Random mating 
A) Unequal reproductive success 
B) Competition for limited resources 
C) Variation in the offspring 
D) Random mating

Question 12

What is typically the first step in the scientific method?

Accepted Answer

A) Experiment 
B) Hypothesis 
C) Prediction 
D) Observation 
A) Experiment 
B) Hypothesis 
C) Prediction 
D) Observation

Question 13

Why can the gene that produces insulin in a human be inserted into bacteria and produce the same human insulin?

Accepted Answer

A) Because humans evolved from bacteria,the gene for insulin is already present in bacteria. 
B) The insulin gene originated in bacteria and was transferred to humans through an infection. 
C) Humans and bacteria have the same proteins. 
D) Bacterial DNA is made up of the same chemical building blocks as human DNA. 
A) Because humans evolved from bacteria,the gene for insulin is already present in bacteria. 
B) The insulin gene originated in bacteria and was transferred to humans through an infection. 
C) Humans and bacteria have the same proteins. 
D) Bacterial DNA is made up of the same chemical building blocks as human DNA.

Question 14

What does "Descent with Modification" mean?

Accepted Answer

A) Survival of the fittest 
B) Natural selection 
C) Modern species replacing primitive species 
D) New forms descending from earlier ones but with some changes 
A) Survival of the fittest 
B) Natural selection 
C) Modern species replacing primitive species 
D) New forms descending from earlier ones but with some changes

Question 15

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

Accepted Answer

A) The scientific method can be used by anyone at any time. 
B) The scientific method proves things false. 
C) The scientific method proves things true. 
D) The scientific method is a way of asking questions and getting evidence-driven answers. 
A) The scientific method can be used by anyone at any time. 
B) The scientific method proves things false. 
C) The scientific method proves things true. 
D) The scientific method is a way of asking questions and getting evidence-driven answers.

Question 16

In a controlled experiment,the researcher typically manipulates one variable,called the independent variable,to determine how this variable affects the final outcome,called the dependent variable.In the following hypothetical example,a researcher applies varying amounts of fertilizer (0,2,4,8,10 units)to potted tomato plants.All other variables that may affect the outcome (watering,temperature,sunlight,plant size,etc.)are kept the same from pot to pot.At the end of the growing season,the tomatoes grown on each plant are weighed to determine which fertilizer level produces the largest tomato yield.Which variable was the independent variable and which was the dependent variable?

Accepted Answer

A) Independent = Fertilizer amount,Dependent = Temperature 
B) Independent = Temperature,Dependent = Yield 
C) Independent = Fertilizer amount,Dependent = Yield 
D) Independent = Yield,Dependent = Fertilizer amount 
A) Independent = Fertilizer amount,Dependent = Temperature 
B) Independent = Temperature,Dependent = Yield 
C) Independent = Fertilizer amount,Dependent = Yield 
D) Independent = Yield,Dependent = Fertilizer amount

Question 17

Which of the following is the correct organizational hierarchy,from largest to smallest,in the hierarchical order of life? (Some levels have been omitted,so you are looking for the correct order.)

Accepted Answer

A) Community → Ecosystem → Population → Tissue → Organ → Cell → Organelle → Atom 
B) Ecosystem → Community → Population → Organ → Tissue → Cell → Molecule → Atom 
C) Biosphere → Community → Population → Tissue → Organ → Cell → Atom → Molecule 
D) Ecosystem → Population → Community → Organ System → Organ → Cell → Molecule → Atom 
A) Community → Ecosystem → Population → Tissue → Organ → Cell → Organelle → Atom 
B) Ecosystem → Community → Population → Organ → Tissue → Cell → Molecule → Atom 
C) Biosphere → Community → Population → Tissue → Organ → Cell → Atom → Molecule 
D) Ecosystem → Population → Community → Organ System → Organ → Cell → Molecule → Atom

Question 18

Which part of the ecosystem is called a producer?

Accepted Answer

A) Nutrient recycler 
B) Photosynthetic organisms 
C) Animals that eat other organisms 
D) Animals that eat plants 
A) Nutrient recycler 
B) Photosynthetic organisms 
C) Animals that eat other organisms 
D) Animals that eat plants

Question 19

Is this an illustration of a plant cell,an animal cell,a fungal cell,or a bacteria cell?

Accepted Answer

A) Plant 
B) Fungus 
C) Animal 
D) Bacteria 
A) Plant 
B) Fungus 
C) Animal 
D) Bacteria

Question 20

Fire can move,grow,reproduce,use energy,consume oxygen,and interact with its environment.Why is it not alive?

Accepted Answer

A) It does not have cells. 
B) It does not consist of complex,well-ordered structures. 
C) It does not pass on genes for traits to its offspring. 
D) All of the above are correct. 
A) It does not have cells. 
B) It does not consist of complex,well-ordered structures. 
C) It does not pass on genes for traits to its offspring. 
D) All of the above are correct.

Which of the following would probably not be studied by an ecologist?

Which property or properties of life does a virus possess?

Is a virus alive?

How might washing your hands with an antibacterial soap increase your chance of getting a life-threatening bacterial infection?

Which of the following would be the strongest evidence for or against the necklace's effectiveness?

What happens to populations that are unable to adapt to changing environmental conditions?

What does the term "theory" mean to a scientist?

Natural selection ________.

What is the unifying or "core" theme of biology?

Which of the following organisms arose through artificial selection?

Which is not a requirement for natural selection to occur?

What is typically the first step in the scientific method?

Why can the gene that produces insulin in a human be inserted into bacteria and produce the same human insulin?

What does "Descent with Modification" mean?

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

Which of the following is the correct organizational hierarchy,from largest to smallest,in the hierarchical order of life? (Some levels have been omitted,so you are looking for the correct order.)

Which part of the ecosystem is called a producer?

Is this an illustration of a plant cell,an animal cell,a fungal cell,or a bacteria cell?

Fire can move,grow,reproduce,use energy,consume oxygen,and interact with its environment.Why is it not alive?

The Chemistry of Life

The Cell: The Fundamental Unit of Life

Energy and Life

Chromosomes and Inheritance

DNA: The Molecule of Life

Darwinian Evolution

Biodiversity 1: Microscopic Organisms

Biodiversity 2: Fungi and Plants

Biodiversity 3: Animals

Human Body Systems

Ecology

Filters

Exam 1: An Introduction to the Science of Life

Which of the following would probably not be studied by an ecologist?

Which property or properties of life does a virus possess?

Is a virus alive?

How might washing your hands with an antibacterial soap increase your chance of getting a life-threatening bacterial infection?

Which of the following would be the strongest evidence for or against the necklace's effectiveness?

What happens to populations that are unable to adapt to changing environmental conditions?

What does the term "theory" mean to a scientist?

Natural selection ________.

What is the unifying or "core" theme of biology?

Which of the following organisms arose through artificial selection?

Which is not a requirement for natural selection to occur?

What is typically the first step in the scientific method?

Why can the gene that produces insulin in a human be inserted into bacteria and produce the same human insulin?

What does "Descent with Modification" mean?

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

Which of the following is the correct organizational hierarchy,from largest to smallest,in the hierarchical order of life? (Some levels have been omitted,so you are looking for the correct order.)

Which part of the ecosystem is called a producer?

Is this an illustration of a plant cell,an animal cell,a fungal cell,or a bacteria cell?

Fire can move,grow,reproduce,use energy,consume oxygen,and interact with its environment.Why is it not alive?

The Chemistry of Life

The Cell: The Fundamental Unit of Life

Energy and Life

Chromosomes and Inheritance

DNA: The Molecule of Life

Darwinian Evolution

Biodiversity 1: Microscopic Organisms

Biodiversity 2: Fungi and Plants

Biodiversity 3: Animals

Human Body Systems

Ecology

Filters