unit 3 clicker review! chapters 4 & 5. geographic isolation occurs when members of a previous...
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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. TrueB. False
Which species below is a specialist?
A. Black bear - omnivoreB. flamingo – feeds on minute organisms in
mudC. Cockroaches – wide range of conditionsD. 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. an alien speciesB. a foundation speciesC. an indicator species D. a keystone species
Which component of biodiversity is concerned with biological and chemical processes?
A. species diversityB. ecological diversityC. genetic diversityD. functional diversity
Species-rich ecosystems tend to be productive and sustainable.
A. TrueB. False
A species’ way of life in a community is called its
A. habitatB. nicheC. trophic levelD. tolerance range
The set of pictures below demonstrate…
A. the development of genetic resistanceB. natural selectionC. changes in a population over timeD. All of the above
Many amphibians act as _____________ species
A. keystoneB. foundationC. indicatorD. 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. AB. BC. CD. D
BA C
D
The niche of the black bear, an omnivore, would be best represented by…
A. AB. BC. CD. D
BA C
D
True or False: It is possible for two species, living in the same area, to have the exact same
ecological niche.A. TrueB. False
[Default][MC Any][MC All]
BA C
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 speciesB. foundation speciesC. indicator speciesD. invasive species
Feeding at or near the top of food webs, sharks remove injured and sick animals from the ocean.
Sharks serve as…
A. keystone speciesB. foundation speciesC. indicator speciesD. invasive species
The comparative number of individuals of each species present is called…
A. species richnessB. species evennessC. Species diversityD. biodiversity
Crossbreeding a pear and an apple is an example of genetic engineering.
A. TrueB. False
Which of the following is NOT a factor affecting the population growth of southern sea otters?
A. High biotic potentialB. Toxic algae bloomC. PCBs and other toxic chemicalsD. Parasites from cats
Three species of grasses competing for sunlight in a grassy lawn is best described as
A. commensalismB. parasitismC. mutualismD. 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. commensalismB. parasitismC. mutualismD. Interspecific competition
Barnacles adhere to whales and benefit by receiving transportation, while the whale is
not harmed. This relationship is….A. parasitismB. predationC. commensalismD. Interspecific competition
Which dispersion pattern is the most common?
A. clumpedB. uniformC. randomD. They are all found in nature equally
The southern sea otter is a tool-using mammal.
A. TrueB. False
Parasites rarely kill their host.
A. TrueB. 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. mimicryB. coevolutionC. speciationD. 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 huntingC. Suburbanization creating many forest edge
habitatsD. Trapping and relocating deer
Which of the following is likely not a K-strategist?
A. elephantB. insectC. humanD. eagle
Which section of the graph best represents exponential growth?
A. AB. BC. CD. D
A
B
C D
The arrows on the graph represent…
A. environmental resistanceB. Limiting factorsC. Both A and BD. Neither A nor B
A
B
C D
Secondary ecological succession occurs on barren rock.
A. TrueB. False
The ability of a grassland to grow back after a fire is an example of…
A. inertiaB. persistenceC. resilienceD. Primary succession
Which type of variation in population size is shown below?
A. stableB. irruptiveC. Cyclic (boom-and-bust)D. irregular
The population in the picture experienced a…
A. A population crashB. A diebackC. Neither A nor BD. Both A and B
Which of the below is NOT in the equation for population change?
A. Birth rateB. Death rateC. Immigration rateD. reproductive rate
The graphs below are demonstrating…
A. age structuresB. architectural designsC. Pyramids of numberD. Pyramids of energy
It is possible for populations to grow indefinitely.
A. TrueB. False