A) Species exhibit great variation within a single population.
B) Species do not change over time.
C) The environment can bring about inherited change in an individual.
D) All species share the same basic genetic and molecular makeup.
E) The Earth was dated to be approximately 4.6 billion years old.
G) A) and E)
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A) It is a form of genetic drift.
B) It produces a high frequency of some rare alleles in a small isolated population.
C) Founding members contain a tiny fraction of the alleles found in the original population.
D) The founder effect occurs when a population is subjected to near extinction and then recovers, so that only a few alleles are left in survivors.
E) Chance determines which alleles are carried by the original founders.
G) A) and C)
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A) There is variation that can be inherited in a population.
B) The population becomes adapted to its environment.
C) Many more individuals are produced by a population than can survive and reproduce.
D) Adaptive characteristics in some individuals make them more likely to survive and reproduce.
E) Heritable variations must be passed on the subsequent generations.
G) None of the above
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1.Individual organisms within a species ...View Answer
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A) mutations.
B) genetic drift.
C) gene flow.
D) nonrandom mating.
E) natural selection.
G) B) and C)
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A) directional
B) diversifying
C) stabilizing
D) disruptive
E) nonrandom
G) None of the above
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A) allopatric speciation.
B) phyletic gradualism.
C) sympatric speciation.
D) punctuated equilibrium.
E) prezygotic isolation.
G) C) and D)
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A) evolution ceases for a time.
B) wide phenotype differences disappear between subpopulations.
C) reproductive isolation between certain subpopulations occurs.
D) a geographic separation occurs between certain subpopulations.
E) mutations begin to appear making the subpopulations distinctly different.
G) None of the above
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A) the process of evolution.
B) the size of a population.
C) the rate of speciation of species p and q.
D) the makeup of a gene pool.
E) evolution of a population.
G) B) and E)
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1.No mutations.
2.No...View Answer
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2.No...
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A) Directional selection works better on islands.
B) Competition from many other bird species on the mainland provided stabilizing selection that was absent on the islands.
C) The environment on the mainland was completely uniform.
D) The founder effect greatly expanded the variation in alleles in the Galapagos finch gene pool.
E) The ancestral mainland finch was reproductively isolated.
G) A) and E)
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A) comparative anatomy.
B) biogeography.
C) the fossil record.
D) geography.
E) comparative biochemistry.
G) B) and E)
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A) It is more likely to occur in a large population than in a small population.
B) It may lead to an allele becoming fixed in a population when its alternative allele is lost from the population.
C) It increases the number of heterozygotes in a population.
D) It increases the level of rare alleles in a population.
E) It reduced the chances of mutation in a population.
G) All of the above
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B) False
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A) structural proteins.
B) basic biochemical molecules that are universal.
C) blood type molecules.
D) similarities only based on available dietary proteins.
E) There are no restrictions, any amino acids for any structure would provide a legitimate comparison among organisms.
G) B) and C)
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A) The geological formations of the Earth indicate it is much older than the 5000 year old view.
B) Species do not change over time.
C) The environment can bring about inherited change in an individual.
D) All species share the same basic genetic and molecular makeup.
E) The Earth is approximately 4.6 billion years old.
G) D) and E)
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A) the environment
B) the genetics of the individual
C) both the environment and genetics are equally responsible for the evolution of an organism
D) neither the environment nor the genetics of an organism play a role in its evolution
E) a creator would determine the evolution of an organism
G) B) and E)
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A) Living things have been evolving toward the perfect form.
B) Living things have begun reproducing.
C) Living things have all evolved from a common ancestor.
D) Life has recently begun to change through evolutionary processes.
E) Life has evolved to become increasingly complex.
G) B) and E)
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A) no living member of that group.
B) always a living member of that group.
C) a common ancestor.
D) an embryo only.
E) a suddenly new species.
G) A) and C)
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A) Young isolated at hatching will not know how to do this.
B) It is probably not "hardwired" in the brain as a behavior passed on genetically.
C) There must be a great advantage to reaching this food source for this learned behavior to be repeated by most descendants each generation.
D) As an acquired characteristic, in a strict sense this is not part of the adaptive radiation of finches on the Galapagos.
E) This "learned" behavior will not lead to evolutionary change in the woodpecker population.
G) A) and B)
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