Unit 3 Clicker Review!
Chapters 4 & 5
Geographic isolation occurs when members of a
previous population have become too genetically
different to mate and produce viable offspring.
A. True
B. False
Which species below is a specialist?
A. Black bear - omnivore
B. flamingo – feeds on minute organisms in
mud
C. Cockroaches – wide range of conditions
D. Raccoon – may sift through human garbage
Which of the below is the best
summary of evolution?
A. The need for organisms to evolve a more
perfect form.
B. The strongest organisms will survive and
reproduce.
C. The change in the genetic make-up of
successive generations of species.
D. The grand plan of nature determines how
organisms will evolve.
Which of the following statements about
arctic foxes and gray foxes is TRUE?
A. Arctic foxes and gray foxes can mate with each other and
produce viable offspring.
B. The arctic fox is a subspecies of the gray fox.
C. The arctic fox and the gray fox often interbreed in the
Canadian Rockies.
D. The gray fox cannot withstand cold as well as the arctic fox
can.
A mutation occurs in the cells of lung tissue as a
result of smoking. This mutation would NOT be
subject to selection because:
A. It is not adaptive.
B. Humans are exempt from natural selection.
C. The mutation is not heritable.
D. The mutation does not lead to differential
survival since you can reproduce and
survive with mutated lung tissue.
A nonnative species may also be called…
A.
B.
C.
D.
an alien species
a foundation species
an indicator species
a keystone species
Which component of biodiversity is concerned
with biological and chemical processes?
A.
B.
C.
D.
species diversity
ecological diversity
genetic diversity
functional diversity
Species-rich ecosystems tend to be
productive and sustainable.
A. True
B. False
A species’ way of life in a community is called its
A.
B.
C.
D.
habitat
niche
trophic level
tolerance range
The set of pictures below demonstrate…
A.
B.
C.
D.
the development of genetic resistance
natural selection
changes in a population over time
All of the above
Many amphibians act as _____________ species
A.
B.
C.
D.
keystone
foundation
indicator
invasive
The scientific theory of island biogeography
explains why…
A. large islands have more biodiversity than
small islands
B. islands far way from the mainland have
more biodiversity than those near the
mainland
C. island size has no effect on biodiversity
D. both A and B
Which part of the diagram depicts a resource for
which species would be competing?
A.
B.
C.
D.
A
B
C
D
A
B
D
C
The niche of the black bear, an omnivore, would
be best represented by…
A.
B.
C.
D.
A
B
C
D
A
B
D
C
True or False: It is possible for two species,
living in the same area, to have the exact same
ecological niche.
A
B
C
A. True
B. False
[Default]
[MC Any]
[MC All]
D
The beaver transforms its environment from
streams to ponds and swamps allowing a more
diverse collection of organisms to survive. The
beaver is acting as a(an)…
A. keystone species
B. foundation species
C. indicator species
D. invasive species
Feeding at or near the top of food webs, sharks
remove injured and sick animals from the ocean.
Sharks serve as…
A.
B.
C.
D.
keystone species
foundation species
indicator species
invasive species
The comparative number of individuals of each
species present is called…
A.
B.
C.
D.
species richness
species evenness
Species diversity
biodiversity
Crossbreeding a pear and an apple is an
example of genetic engineering.
A. True
B. False
Which of the following is NOT a factor affecting
the population growth of southern sea otters?
A.
B.
C.
D.
High biotic potential
Toxic algae bloom
PCBs and other toxic chemicals
Parasites from cats
Three species of grasses competing for
sunlight in a grassy lawn is best described as
A.
B.
C.
D.
commensalism
parasitism
mutualism
Interspecific competition
Ants living on a tree protect the tree from
herbivores and feed off of lipid-rich food
bodies on the tree. This relationship is…
A.
B.
C.
D.
commensalism
parasitism
mutualism
Interspecific competition
Barnacles adhere to whales and benefit by
receiving transportation, while the whale is
not harmed. This relationship is….
A.
B.
C.
D.
parasitism
predation
commensalism
Interspecific competition
Which dispersion pattern is the most common?
A.
B.
C.
D.
clumped
uniform
random
They are all found in nature equally
The southern sea otter is a toolusing mammal.
A. True
B. False
Parasites rarely kill their host.
A. True
B. False
Common Garter Snakes have evolved resistance to the
toxins of their prey, Taricha newts. In response, the
newts evolved more potent toxins. This is described as
A.
B.
C.
D.
mimicry
coevolution
speciation
Competitive exclusion
Which of the following has NOT contributed to
the explosion of the white-tailed deer
population?
A. Elimination of many of their natural predators
B. Hunting laws restricting their hunting
C. Suburbanization creating many forest edge
habitats
D. Trapping and relocating deer
Which of the following is likely not a Kstrategist?
A.
B.
C.
D.
elephant
insect
human
eagle
Which section of the graph best represents
exponential growth?
A.
B.
C.
D.
A
B
C
D
C
B
A
D
The arrows on the graph represent…
A.
B.
C.
D.
environmental resistance
Limiting factors
Both A and B
Neither A nor B
B
A
C
D
Secondary ecological succession occurs on
barren rock.
A. True
B. False
The ability of a grassland to grow back after a
fire is an example of…
A.
B.
C.
D.
inertia
persistence
resilience
Primary succession
Which type of variation in population size is
shown below?
A.
B.
C.
D.
stable
irruptive
Cyclic (boom-and-bust)
irregular
The population in the picture experienced a…
A.
B.
C.
D.
A population crash
A dieback
Neither A nor B
Both A and B
Which of the below is NOT in the equation for
population change?
A.
B.
C.
D.
Birth rate
Death rate
Immigration rate
reproductive rate
The graphs below are demonstrating…
A.
B.
C.
D.
age structures
architectural designs
Pyramids of number
Pyramids of energy
It is possible for populations to grow
indefinitely.
A. True
B. False