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Biology & Life Science
Q:
A newly discovered multicellular organism obtains food by digesting dead organisms. Such an organism is most likely a member of the kingdom ________.
A) Plantae
B) Fungi
C) Protista
D) Animalia
Q:
Which kingdom of Eukarya consists primarily of unicellular organisms?
A) Plantae
B) Bacteria
C) Fungi
D) Protista
Q:
Which domain(s) consist(s) of prokaryotic cells?
A) Bacteria only
B) Eukarya only
C) Archaea and Eukarya
D) Bacteria and Archaea
Q:
How does taxonomy assist biologists?
A) by providing easily remembered scientific names for organisms
B) by categorizing diverse items into smaller and smaller numbers of groups
C) by reducing life to its smallest common denominator, the cell
D) all of the above
Q:
Taxonomy is the ________.
A) study of cells
B) naming and classifying of species
C) study of organisms and their interaction with the environment
D) study of genes
Q:
More than half of all known species are ________.
A) plants
B) insects
C) bacteria
D) vertebrates
Q:
The human genome consists of about ________ chemical letters.
A) 300,000
B) 1 million
C) 3 billion
D) 300 billion
Q:
What is a gene?
A) a type of eukaryotic cell
B) an organelle that houses DNA
C) a type of prokaryotic cell
D) a unit of inheritance
Q:
What are eukaryotic genes composed of?
A) RNA
B) organelles
C) RNA and DNA
D) DNA
Q:
The DNA of a eukaryotic cell is found within the ________.
A) archaea
B) nucleus
C) prokaryotic cell
D) insulin
Q:
What name is given to the functional compartments of a cell?
A) genomes
B) nuclei
C) genes
D) organelles
Q:
Humans are composed of ________ cells.
A) bacterial
B) eukaryotic
C) plant
D) prokaryotic
Q:
Relative to prokaryotic cells, eukaryotic cells are usually ________.
A) larger and more complex
B) smaller and simpler
C) larger and equally complex
D) smaller and more complex
Q:
Which of the following structures can perform all the activities required for life?
A) DNA molecules
B) cells
C) organelles
D) nuclei
Q:
Humans are ________.
A) producers
B) producers and consumers
C) consumers
D) producers and decomposers
Q:
Which of the following is a producer?
A) oak tree
B) earthworm
C) sun
D) cat
Q:
Which of the following is NOT recycled but is lost from ecosystems?
A) nitrogen
B) energy
C) magnesium
D) carbon
Q:
What are the two main processes upon which ecosystems depend?
A) speciation and evolution
B) nutrient recycling and energy flow
C) decomposition and nutrient recycling
D) sunlight and photosynthesis
Q:
Which of the following is NOT a property of life?
A) Populations of organisms rarely change over time.
B) Living things exhibit complex but ordered organization.
C) Organisms take in energy and use it to perform all of life's activities.
D) Organisms reproduce their own kind.
Q:
What is biology?
A) the scientific study of life
B) the scientific study of the environment
C) the scientific study of DNA
D) the scientific study of ecosystems
Q:
In what way(s) is the science of biology influencing and changing our culture?
A) by helping us understand the relevance of evolution to human health
B) by revealing how mutations in genes can lead to disease
C) by providing new tools for forensic investigations
D) all of the above
Q:
Make a list how you can reduce your negative impacts on our living planet?
Q:
Consider a typical food chain. Which level would be at the greatest risk of suffering from exposure to a toxin based on the concept of biological magnification?
Q:
The current mass extinction is said to be 100 to 1000 times above the background extinction rate. What does this mean?
Q:
How many of the mass extinctions have had an organic cause?
Q:
Biologists identify __________, which are larger regions characterized by their physical characteristics as well as the species in them.
Q:
__________ is the conversion of grassland or woodland to desertlike conditions.
Q:
__________ are regions rich in endemic species and under a high level of threat.
Q:
An __________ species is one that is especially sensitive to environmental change and can be monitored to determine the health of an ecosystem.
Q:
We recognize three levels of biodiversity: genetic diversity, species diversity, and __________diversity.
Q:
Our knowledge of existing species is limited and biased toward __________.
Q:
__________ cause habitat loss, degradation of habitat, and habitat fragmentation, all of which can endanger the __________ species.
Q:
__________ species, which evolved in one place and are present only in that habitat, are highly vulnerable to extinction.
Q:
__________ species are likely to become endangered in the future.
Q:
Answer the following questions in reference to the four "habitat" items listed below.
a. habitat fragmentation
b. habitat island
c. habitat loss
d. habitat
This action may result in a lack of sufficient resources to sustain the population.
Q:
Answer the following questions in reference to the four "habitat" items listed below.
a. habitat fragmentation
b. habitat island
c. habitat loss
d. habitat
This is an inhabited area surrounded by unsuitable habitat.
Q:
Answer the following questions in reference to the four "habitat" items listed below.
a. habitat fragmentation
b. habitat island
c. habitat loss
d. habitat
This could be the result of chemical pollution.
Q:
Answer the following questions in reference to the four "habitat" items listed below.
a. habitat fragmentation
b. habitat island
c. habitat loss
d. habitat
This reduces a habitat's area, making species more vulnerable to extinction.
Q:
Answer the following questions in reference to the four "habitat" items listed below.
a. habitat fragmentation
b. habitat island
c. habitat loss
d. habitat
This describes where a species lives.
Q:
indicator species
Choose the one most appropriate answer for each.
a. a reduction in suitable places to live
b. organisms that give an "early warning" signal of changes in biodiversity
c. new method of harvesting trees to preserve diversity
d. a field of research whose goal is conservation of biodiversity
e. species vulnerable to extinction
f. broad land or ocean region defined by climate, geography, and producers
g. ocean structure of amazing biological complexity
h. locations where species are in greatest danger of extinction
i. a national park is an example
j. narrow corridor of vegetation along a stream or river
k. isolated patches of habitat;
Q:
hot spot
Choose the one most appropriate answer for each.
a. a reduction in suitable places to live
b. organisms that give an "early warning" signal of changes in biodiversity
c. new method of harvesting trees to preserve diversity
d. a field of research whose goal is conservation of biodiversity
e. species vulnerable to extinction
f. broad land or ocean region defined by climate, geography, and producers
g. ocean structure of amazing biological complexity
h. locations where species are in greatest danger of extinction
i. a national park is an example
j. narrow corridor of vegetation along a stream or river
k. isolated patches of habitat;
Q:
habitat loss
Choose the one most appropriate answer for each.
a. a reduction in suitable places to live
b. organisms that give an "early warning" signal of changes in biodiversity
c. new method of harvesting trees to preserve diversity
d. a field of research whose goal is conservation of biodiversity
e. species vulnerable to extinction
f. broad land or ocean region defined by climate, geography, and producers
g. ocean structure of amazing biological complexity
h. locations where species are in greatest danger of extinction
i. a national park is an example
j. narrow corridor of vegetation along a stream or river
k. isolated patches of habitat;
Q:
habitat island
Choose the one most appropriate answer for each.
a. a reduction in suitable places to live
b. organisms that give an "early warning" signal of changes in biodiversity
c. new method of harvesting trees to preserve diversity
d. a field of research whose goal is conservation of biodiversity
e. species vulnerable to extinction
f. broad land or ocean region defined by climate, geography, and producers
g. ocean structure of amazing biological complexity
h. locations where species are in greatest danger of extinction
i. a national park is an example
j. narrow corridor of vegetation along a stream or river
k. isolated patches of habitat;
Q:
habitat fragmentation
Choose the one most appropriate answer for each.
a. a reduction in suitable places to live
b. organisms that give an "early warning" signal of changes in biodiversity
c. new method of harvesting trees to preserve diversity
d. a field of research whose goal is conservation of biodiversity
e. species vulnerable to extinction
f. broad land or ocean region defined by climate, geography, and producers
g. ocean structure of amazing biological complexity
h. locations where species are in greatest danger of extinction
i. a national park is an example
j. narrow corridor of vegetation along a stream or river
k. isolated patches of habitat;
Q:
endangered species
Choose the one most appropriate answer for each.
a. a reduction in suitable places to live
b. organisms that give an "early warning" signal of changes in biodiversity
c. new method of harvesting trees to preserve diversity
d. a field of research whose goal is conservation of biodiversity
e. species vulnerable to extinction
f. broad land or ocean region defined by climate, geography, and producers
g. ocean structure of amazing biological complexity
h. locations where species are in greatest danger of extinction
i. a national park is an example
j. narrow corridor of vegetation along a stream or river
k. isolated patches of habitat;
Q:
ecoregion
Choose the one most appropriate answer for each.
a. a reduction in suitable places to live
b. organisms that give an "early warning" signal of changes in biodiversity
c. new method of harvesting trees to preserve diversity
d. a field of research whose goal is conservation of biodiversity
e. species vulnerable to extinction
f. broad land or ocean region defined by climate, geography, and producers
g. ocean structure of amazing biological complexity
h. locations where species are in greatest danger of extinction
i. a national park is an example
j. narrow corridor of vegetation along a stream or river
k. isolated patches of habitat;
Q:
coral reef
Choose the one most appropriate answer for each.
a. a reduction in suitable places to live
b. organisms that give an "early warning" signal of changes in biodiversity
c. new method of harvesting trees to preserve diversity
d. a field of research whose goal is conservation of biodiversity
e. species vulnerable to extinction
f. broad land or ocean region defined by climate, geography, and producers
g. ocean structure of amazing biological complexity
h. locations where species are in greatest danger of extinction
i. a national park is an example
j. narrow corridor of vegetation along a stream or river
k. isolated patches of habitat;
Q:
conservation biology
Choose the one most appropriate answer for each.
a. a reduction in suitable places to live
b. organisms that give an "early warning" signal of changes in biodiversity
c. new method of harvesting trees to preserve diversity
d. a field of research whose goal is conservation of biodiversity
e. species vulnerable to extinction
f. broad land or ocean region defined by climate, geography, and producers
g. ocean structure of amazing biological complexity
h. locations where species are in greatest danger of extinction
i. a national park is an example
j. narrow corridor of vegetation along a stream or river
k. isolated patches of habitat;
Q:
Which of the following is not a negative impact of surface mining?
a. Loss of vegetation.
b. Contamination of waterways.
c. Dust pollution of the air.
d. Loss of soil.
e. All of these are negative impacts of surface mining.
Q:
Which of the following is not a renewable energy source?
a. hydroelectric power.
b. coal.
c. solar.
d. wind.
e. all of these are renewable.
Q:
Biological wealth is the source of
a. food.
b. medicine.
c. ecotourism.
d. economic opportunity.
e. all of these.
Q:
Which statement is NOT true about Monteverde Cloud Forest Reserve?
a. It was purchased by a private individual.
b. It is one of the few habitats left for jaguarand ocelot.
c. It is home to more than 400 species of birds.
d. There are only a few mammalian species still surviving in the Reserve.
e. Ecotourism on the reserve provides employment to local people.
Q:
Conservation biology includes
a. a survey of biological diversity.
b. maintaining biodiversity to benefit human populations.
c. ecological considerations of diversity.
d. an effort to maintain biodiversity.
e. all of these.
Q:
A broad land or ocean region defined by climate, geography, and producers is called
a. an ecoregion.
b. a hot spot.
c. a realm.
d. a habitat island.
e. the biosphere.
Q:
The first level of inquiry in making a systematic survey of biodiversity is carried out
a. at the ecoregion level.
b. among the riparian zones.
c. in hot spots.
d. at the regional research station.
e. on a global scale.
Q:
Habitats with the most species in greatest danger of extinction are called
a. ecoregions.
b. indicator species.
c. riparian zones.
d. hot spots.
e. conservation islands.
Q:
All of the following are goals of conservation biology EXCEPT
a. to investigate the decline in genetic diversity.
b. to survey the range of biodiversity.
c. to determine if loss of any specific species would be detrimental to mankind.
d. to identify ways to maintain and use biodiversity to help man.
e. all of these are goals of conservation biology.
Q:
The level of the oceans is rising due to:
a. ozone depletion.
b. global warming.
c. lost species biodiversity.
d. increased precipitation.
e. acid rain.
Q:
Which of the following is not a likely outcome of global warming?
a. Extinction of species.
b. Increased human death due to heat exposure.
c. Changes in animal migration patterns.
d. Increased waterborne illness.
e. All of these are likely outcomes of global warming.
Q:
The hole in the ozone layer is most dramatic over:
a. Antarctica.
b. North America.
c. Asia
d. Europe.
e. Africa.
Q:
Which of the following is NOT true of chlorofluorocarbons?
a. They can destroy ozone.
b. They are odorless.
c. They are a greenhouse gas
d. They break down very slowly.
e. Their action is allowing more UV radiation through the atmosphere.
Q:
Which of the following is not an impact of acid rain?
a. It stops fish egg development
b. It can burn foliage.
c. It releases toxins in the soil.
d. It causes eutrophication
e. It can kill adult aquatic organisms
Q:
In 2009, the U.S. generated ____ tons of trash.
a. 22 billion
b. 251 million
c. 29 million
d. 243 million
e. none of these
Q:
All of the following can contribute to desertification EXCEPT
a. drought.
b. overplowing.
c. overgrazing.
d. farming in areas with high winds.
e. all of these.
Q:
Which of the following is a deforested area more likely to experience?
a. nutrient poor soils.
b. soil loss.
c. loss of species diversity.
d. warmer temperatures.
e. all of these.
Q:
Which of the following areas is still seeing an increase in deforestation?
a. North America
b. Europe
c. China
d. Brazil
e. None of these.
Q:
All of the following can contribute to desertification EXCEPT
a. drought.
b. overplowing.
c. overgrazing.
d. natural fertilizer.
e. All of these can contribute to desertification.
Q:
Curtis's contention that if the last blue whale were to choke on the last panda bear and it still would not be the end of the world was his way of
a. stressing the improper attitude of some environmental activists and to encourage the drilling for oil in Alaska.
b. stressing the importance of some bacteria to the biosphere.
c. encouraging the study of endangered species.
d. shocking an audience into the study of conservation biology.
e. doing none of these.
Q:
Tom Curtis wrote a letter in 2006 to try and encourage research into
a. rare plants.
b. microorganisms.
c. agricultural crops.
d. prairie grasses.
e. all of these.
Q:
Which of the following is an example of an interacting effect causing a decline in a species?
a. habitat loss of the polar bear
b. dodo birds being hunted by sailors
c. pollution buildup in the eggs of eagles
d. decline in buffalo causing a drop in native clover
e. all of these
Q:
Exotic species that are introduced into a non-native habitat can
a. interbreed with native species.
b. drive endemic species to extinction.
c. die out due to competition from native species.
d. blend in with endemic species.
e. create habitat islands for themselves.
Q:
Which of the following is NOT a contributing factor in species extinction?
a. habitat loss
b. overharvesting
c. habitat fragmentation
d. conservation biology
e. illegal wildlife trading
Q:
Endemic means a species
a. originated in one geographic region and lives nowhere else.
b. could cause an epidemic at any time.
c. is on its way to extinction.
d. can live in only one habitat.
e. is extinct.
Q:
Settlers to the United States found between ____ and ____ passenger pigeons. They are extinct today.a. 15,000-25,000b. 3-5 billionc. 50-100 milliond. none; they are native to Europee. none of these
Q:
One of the major causes of panda bears becoming endangered is
a. habitat loss and fragmentation.
b. increasing the effects of chemical pollution.
c. a sexually transmitted disease that plagues the bears.
d. introduced exotic species into a habitat.
e. all of these.
Q:
A species that has population levels so low it faces extinction in all or part of its range is designated as
a. riparian.
b. endemic.
c. endangered.
d. fragmented.
e. an indicator.
Q:
The image of the animal shown above caused quite a media frenzy in recent years due to reports that it was not extinct. What is it?
a. blue-footed booby
b. ivory billed woodpecker
c. dodo bird
d. red caucaded woodpecker
e. none of these
Q:
The dodo
a. is a large, flightless bird.
b. became extinct at human hands.
c. lived only on Mauritius.
d. was plentiful in the year 1600.
e. includes all of these descriptions.
Q:
Which of the following is most likely the cause of the current extinction crisis?
a. asteroid impact
b. human activity
c. adaptive radiation
d. tectonic activity
e. climate change
Q:
The current extinction rate is estimated to be at least how much greater than the background extinction rate?
a. 2
b. 5
c. 10
d. 50
e. 100