Question 1

How is life defined?

Accepted Answer

A) The only requirement for life is the ability to reproduce. 
B) Life is defined through a set of shared characteristics that all living things display. 
C) A living thing must be able to move. 
D) Life is determined by neural activity. 
A) The only requirement for life is the ability to reproduce. 
B) Life is defined through a set of shared characteristics that all living things display. 
C) A living thing must be able to move. 
D) Life is determined by neural activity.

Question 2

Beginning with an atom and working up to the entire planet,biologists view life as arranged from ________.

Accepted Answer

A) small and simple to large and complex 
B) small and complex to large and simple 
C) large and complex to large and simple 
D) large and complex to small and simple 
A) small and simple to large and complex 
B) small and complex to large and simple 
C) large and complex to large and simple 
D) large and complex to small and simple

Question 3

The scientific method ________.

Accepted Answer

A) is a rigid methodology that must be precisely followed to ensure validity 
B) is a rough recipe for answering questions,but the steps need not be performed in the same order as outlined nor must every step be performed every time 
C) is only undertaken by trained scientists in a controlled laboratory setting 
D) is the means by which absolute truth can be uncovered 
A) is a rigid methodology that must be precisely followed to ensure validity 
B) is a rough recipe for answering questions,but the steps need not be performed in the same order as outlined nor must every step be performed every time 
C) is only undertaken by trained scientists in a controlled laboratory setting 
D) is the means by which absolute truth can be uncovered

Question 4

Which of the following statements is true?

Accepted Answer

A) Prokaryotic cells are typically 10 to 100 times larger than eukaryotic cells. 
B) All prokaryotes are unicellular but eukaryotes could be either unicellular or multicellular. 
C) The degree of structural complexity is not a key characteristic of prokaryotic and eukaryotic cells. 
D) Only eukaryotic cells have DNA. 
A) Prokaryotic cells are typically 10 to 100 times larger than eukaryotic cells. 
B) All prokaryotes are unicellular but eukaryotes could be either unicellular or multicellular. 
C) The degree of structural complexity is not a key characteristic of prokaryotic and eukaryotic cells. 
D) Only eukaryotic cells have DNA.

Question 5

What should one do if the results of the experiment consistently do not support the original hypothesis?

Accepted Answer

A) Change the hypothesis to match the results. 
B) Change the results to match the hypothesis. 
C) Accept the original hypothesis. 
D) Reject the original hypothesis and formulate a new hypothesis. 
A) Change the hypothesis to match the results. 
B) Change the results to match the hypothesis. 
C) Accept the original hypothesis. 
D) Reject the original hypothesis and formulate a new hypothesis.

Question 6

Darwin was not the first to propose that organisms evolve.Rather,he proposed a novel idea of what mechanism caused organisms to change over time.By what means did he propose that organisms evolve?

Accepted Answer

A) Acquired traits 
B) Use and disuse 
C) Common descent 
D) Natural selection 
A) Acquired traits 
B) Use and disuse 
C) Common descent 
D) Natural selection

Question 7

Select the most accurate statement.

Accepted Answer

A) Eukaryotes cannot live without prokaryotes. 
B) Prokaryotes cannot live without eukaryotes. 
C) Neither is dependent upon the other. 
D) None of these answers is correct. 
A) Eukaryotes cannot live without prokaryotes. 
B) Prokaryotes cannot live without eukaryotes. 
C) Neither is dependent upon the other. 
D) None of these answers is correct.

Question 8

All living things require substantial quantities of carbon.Where do plants get the carbon they need to survive?

Accepted Answer

A) From decaying organic matter 
B) From the air 
C) From the soil (but not water) 
D) From the water in the soil 
A) From decaying organic matter 
B) From the air 
C) From the soil (but not water) 
D) From the water in the soil

Question 9

Gathering information just to add to the knowledge base,such as measuring the beak length of various bird species,is known as ________.

Accepted Answer

A) discovery science 
B) applied science 
C) hypothesis-driven science 
D) investigative science 
A) discovery science 
B) applied science 
C) hypothesis-driven science 
D) investigative science

Question 10

What evolves?

Accepted Answer

A) The individual 
B) The population 
C) Both of these 
D) Evolution occurs at a level beyond the individual or the population. 
A) The individual 
B) The population 
C) Both of these 
D) Evolution occurs at a level beyond the individual or the population.

Question 11

Archaea are a distinct group of organisms that are about the size and shape of bacteria.Although they lack a nucleus or any other organelle,they produce enzymes similar to those produced by animal cells.Which cell type are they?

Accepted Answer

A) Eukaryotes 
B) Prokaryotes 
C) Neither of these 
D) Both of these 
A) Eukaryotes 
B) Prokaryotes 
C) Neither of these 
D) Both of these

Question 12

What were the first organisms that appeared on the planet?

Accepted Answer

A) Prokaryotes 
B) Eukaryotes 
C) Algae 
D) Fungus 
A) Prokaryotes 
B) Eukaryotes 
C) Algae 
D) Fungus

Question 13

Which domain includes the "extremophiles," organisms often found living in extreme conditions?

Accepted Answer

A) Archaea 
B) Prokarya 
C) Eukarya 
D) Bacteria 
A) Archaea 
B) Prokarya 
C) Eukarya 
D) Bacteria

Question 14

Which level of diversity refers to the variety of characteristics within a species?

Accepted Answer

A) Genetic diversity 
B) Species diversity 
C) Population diversity 
D) Ecosystem diversity 
A) Genetic diversity 
B) Species diversity 
C) Population diversity 
D) Ecosystem diversity

Question 15

A population consists of ________.

Accepted Answer

A) living and nonliving components 
B) interacting populations 
C) a group of interacting individuals of one species 
D) None of the above 
A) living and nonliving components 
B) interacting populations 
C) a group of interacting individuals of one species 
D) None of the above

Question 16

The symbol for gold from the periodic table of the elements is Au.Pure gold consists entirely of this element.How long could you repeatedly cut a kilogram of pure gold in half until the portion remaining,if split,would then no longer display the chemical properties of gold?

Accepted Answer

A) You could do this until you had only a single atom of gold remaining. 
B) You could do this until you had only a single molecule of gold remaining. 
C) You could do this until you had only a single subatomic particle remaining. 
D) You could do this until you had only a single gram of gold remaining. 
A) You could do this until you had only a single atom of gold remaining. 
B) You could do this until you had only a single molecule of gold remaining. 
C) You could do this until you had only a single subatomic particle remaining. 
D) You could do this until you had only a single gram of gold remaining.

Question 17

Every conversion of energy involves the loss of some of that energy.How is the majority of energy typically lost from an ecosystem?

Accepted Answer

A) Upon the death of an organism 
B) Through the decomposition of organic matter 
C) In the form of heat 
D) From the migration of organisms out of the ecosystem into another 
A) Upon the death of an organism 
B) Through the decomposition of organic matter 
C) In the form of heat 
D) From the migration of organisms out of the ecosystem into another

Question 18

How many species have been identified and named?

Accepted Answer

A) 1 million 
B) 2 million 
C) 5 million 
D) 25 million 
A) 1 million 
B) 2 million 
C) 5 million 
D) 25 million

Question 19

Which type of ecologist would be most concerned with nutrient cycles?

Accepted Answer

A) Species ecologist 
B) Organism ecologist 
C) Population ecologist 
D) Community ecologist 
E) Ecosystem ecologist 
A) Species ecologist 
B) Organism ecologist 
C) Population ecologist 
D) Community ecologist 
E) Ecosystem ecologist

Question 20

Every year new varieties of fruits and vegetables appear on the store shelves.Some are the result of cross breeding existing varieties,and others are from finding and propagating random mutations.Still other varieties come from inserting genes directly from one organism into another.What makes these genetically modified varieties possible?

Accepted Answer

A) All organisms share the same genes. 
B) All organisms share the same proteins. 
C) The DNA of all organisms is made of the same building blocks. 
D) The DNA of all organisms contains the same sequences. 
A) All organisms share the same genes. 
B) All organisms share the same proteins. 
C) The DNA of all organisms is made of the same building blocks. 
D) The DNA of all organisms contains the same sequences.

How is life defined?

Beginning with an atom and working up to the entire planet,biologists view life as arranged from ________.

The scientific method ________.

Which of the following statements is true?

What should one do if the results of the experiment consistently do not support the original hypothesis?

Darwin was not the first to propose that organisms evolve.Rather,he proposed a novel idea of what mechanism caused organisms to change over time.By what means did he propose that organisms evolve?

Select the most accurate statement.

All living things require substantial quantities of carbon.Where do plants get the carbon they need to survive?

Gathering information just to add to the knowledge base,such as measuring the beak length of various bird species,is known as ________.

What evolves?

Archaea are a distinct group of organisms that are about the size and shape of bacteria.Although they lack a nucleus or any other organelle,they produce enzymes similar to those produced by animal cells.Which cell type are they?

What were the first organisms that appeared on the planet?

Which domain includes the "extremophiles," organisms often found living in extreme conditions?

Which level of diversity refers to the variety of characteristics within a species?

A population consists of ________.

The symbol for gold from the periodic table of the elements is Au.Pure gold consists entirely of this element.How long could you repeatedly cut a kilogram of pure gold in half until the portion remaining,if split,would then no longer display the chemical properties of gold?

Every conversion of energy involves the loss of some of that energy.How is the majority of energy typically lost from an ecosystem?

How many species have been identified and named?

Which type of ecologist would be most concerned with nutrient cycles?

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

How is life defined?

Beginning with an atom and working up to the entire planet,biologists view life as arranged from ________.

The scientific method ________.

Which of the following statements is true?

What should one do if the results of the experiment consistently do not support the original hypothesis?

Darwin was not the first to propose that organisms evolve.Rather,he proposed a novel idea of what mechanism caused organisms to change over time.By what means did he propose that organisms evolve?

Select the most accurate statement.

All living things require substantial quantities of carbon.Where do plants get the carbon they need to survive?

Gathering information just to add to the knowledge base,such as measuring the beak length of various bird species,is known as ________.

What evolves?

Archaea are a distinct group of organisms that are about the size and shape of bacteria.Although they lack a nucleus or any other organelle,they produce enzymes similar to those produced by animal cells.Which cell type are they?

What were the first organisms that appeared on the planet?

Which domain includes the "extremophiles," organisms often found living in extreme conditions?

Which level of diversity refers to the variety of characteristics within a species?

A population consists of ________.

The symbol for gold from the periodic table of the elements is Au.Pure gold consists entirely of this element.How long could you repeatedly cut a kilogram of pure gold in half until the portion remaining,if split,would then no longer display the chemical properties of gold?

Every conversion of energy involves the loss of some of that energy.How is the majority of energy typically lost from an ecosystem?

How many species have been identified and named?

Which type of ecologist would be most concerned with nutrient cycles?

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