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Quiz von Catherine Ross, aktualisiert more than 1 year ago
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Erstellt von Catherine Ross
vor mehr als 5 Jahre
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Frage 1
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Mutation:
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a. any change in the genetic code.
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b. may involve a single incorrect base in a codon.
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c. must include a whole chromosome.
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d. a and b.
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e. a and c.
Frage 2
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Darwin's Gradualism:
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a. involves slow and steady cumulative change.
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b. involves fairly sudden change.
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c. believed by Darwin to lead to new species.
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d. a and c.
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e. all of the above.
Frage 3
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Which of the following is not a reproductive isolating mechanism:
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a. different pollinators.
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b. gamete isolation.
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c. natural selection.
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d. hybrid inviability.
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e. seasonal.
Frage 4
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Gene flow results in:
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a. a new population drawn from a small sample of a parent population.
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b. the exchange of genes among populations through interbreeding..
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c. new genetic combinations in offspring.
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d. b and c.
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e. all of the above.
Frage 5
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A genotype is:
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a. the chemical or physical results of genetic code.
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b. when the alleles of a pair are only expressed if the gene is homogeneous.
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c. the alleles possessed by an organism.
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d. all of the above.
Frage 6
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The alleles possessed by an organism can come in three possible forms
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a. homozygous (TT, tt) and heterozygous (Tt)
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b. homozygous (Tt, tT) and heterozygous (TT)
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c. heterozygous (TT, tt) and homozygous (Tt)
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d. all of the above.
Frage 7
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Gregor Mendel reached the conclusion that each organism possess
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a. two genes for each--trait one from each parent.
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b. genes can come in different versions today called alleles.
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c. some alleles are dominant and some are recessive.
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d. dominant and recessive have no value attached to them.
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e. all of the above.
Frage 8
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The Processes of Evolution are
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a. natural selection.
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b. gene flow.
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c. genetic drift.
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d. founder effect.
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e. mutations.
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f. all of the above except d.
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g. none of the above.
Frage 9
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Catastrophism:
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a. is the idea that history of the earth is explained by a series of global catastrophes, either natural, or of divine origin.
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b. it was an attempt to reconcile the evidence with a biblical time frame.
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c. the notion that there is an ideal, or essential, form of every natural entity and that the variations we see are largely inexact copies of the ideal.
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d. a and b.
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e. all of the above.
Frage 10
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DNA
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a. is like a ladder with its ends twisted in opposite directions.
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b. has only four bases involved: adenine (A), thymine (T), cytosine (C), and guanine (G).
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c. shape is referred to as a double helix.
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d. all of the above.
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e. none of the above.
Frage 11
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Variation is now known to be in the genetic makeup of populations.
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- True
- False
Frage 12
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Genetic drift is the exchange of genes among populations through interbreeding.
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- True
- False
Frage 13
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Mitosis is the process of cell division in which gametes are produced.
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- True
- False
Frage 14
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The idea of evolution is simple: species of living things change over time and under the right circumstances this change can produce new species of living organisms from existing ones.
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- True
- False
Frage 15
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DNA carries the genetic code that is found in the nucleus of cells, on long strands called chromosomes.
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- True
- False
Frage 16
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Fitness is the relative adaptiveness of an individual organism measured ultimately by reproductive success.
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- True
- False
Frage 17
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Natural selection works on the variation that is known to be in the genetic makeup of populations.
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- True
- False
Frage 18
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Gene flow is the exchange of genes among populations though interbreeding.
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- True
- False
Frage 19
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A scientist uses "The Scientific Method" which answers questions according to a special set of rules that involves a cycle of steps.
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- True
- False
Frage 20
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Adaptation is the state in which an organism is adjusted to and can survive in its environment through its physical traits and behaviors.
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- True
- False
Frage 21
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Phenotype is the chemical or physical results of genetic code.
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- True
- False
Frage 22
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Mendelian genetics showed that inheritance does not involve the blending of substances but, rather, are particulate.
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- True
- False
Frage 23
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An allele is an alternative form of a gene (one member of a pair) that is located at a specific position on a specific chromosome.
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- True
- False
Frage 24
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The great Chain of being is the notion that there is an ideal, or essential, form of every natural entity and that the variations we see are largely inexact copies of the ideal.
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- True
- False
Frage 25
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Uniformitarianism is the idea that present-day geological processes (normal, every day uniform process) can also explain the history of the earth.
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- True
- False
Frage 26
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Though Darwin work with pea plants the basic laws of genetics were derived.
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- True
- False
Frage 27
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The genetic code is a set of instructions for the production (or synthesis) of proteins from amino acids.
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- True
- False
Frage 28
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Charles Darwin reasoned, some alleles are dominant and some are recessive.
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- True
- False
Frage 29
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Natural selection is the differential reproduction of individuals based on the relative adaptive value of their traits.
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- True
- False
Frage 30
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Individuals tend to find mates within their own breeding populations.
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- True
- False
Frage 31
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Ecological isolation probably explains the origin of hominids, the group to which our species belongs.
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- True
- False
Frage 32
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Microevolution is the branching of new species from existing species.
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- True
- False
Frage 33
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All life, through speciation and adaptive radiation, is descended from a single origin.
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- True
- False
Frage 34
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In hybrid sterility fertilization may occur, but the hybrid zygotes do not survive.
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- True
- False
Frage 35
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The complex process of environmental factors, is solely responsible for the final form and function of a living being.
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- True
- False
Frage 36
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Evolutionary change is at its most basic level genetic change.
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- True
- False
Frage 37
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Macroevolution is the continuous transformation of a unitary population through time.
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- True
- False
Frage 38
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Sexual behaviors that attract one sex to the other are called courtship behaviors.
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- True
- False
Frage 39
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Genetic drift is mistakes in the genetic mechanism that add new variation to a species' gene pool.
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- True
- False
Frage 40
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There is nothing that can change what genes code for, except a change in the code itself, such a change is called a mutation.
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- True
- False
Frage 41
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Primates of the family hominidae include: modern humans, earlier humans subspecies, and their direct human ancestors.
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- True
- False
Frage 42
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Functionally similar but evolutionary unrelated traits are known as analogies.
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- True
- False
Frage 43
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This adaptation, called bipedalism (exhibited by modern apes), is a form of locomotion that involves placing the backs of the middle joints of the fingers on the ground.
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- True
- False
Frage 44
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Paranthropus is known to have spread far out of Africa and adapted to a wide range of temperate, tropical, and cold environments throughout Europe and Asia.
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- True
- False
Frage 45
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Homo habilis "wise person" is a recent, separate species.
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- True
- False
Frage 46
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Based on the mitochondrial DNA evidence, Homo nenderthalensis is though to be a direct ancestor to modern humans.
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- True
- False
Frage 47
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The fossil record indicates that an increase in brain size was the first hominid trait to evolve.
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- True
- False
Frage 48
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A taxonomy is a classification system based on similarities and differences.
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- True
- False
Frage 49
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Australopithecus had overall skeletal proportions much like those of modern humans.
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- True
- False
Frage 50
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Radiocarbon dating is a relative dating technique.
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- True
- False
Frage 51
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The early African hominids radiated into three distinct groups, often classified as separate genera Australopithecus, Paranthropus, and Homo.
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- True
- False
Frage 52
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Humans, chimpanzees, and bonobos have all adapted to different environmental niches.
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- True
- False
Frage 53
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Homo habilis is the fossil find commonly referred to as "Lucy".
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- True
- False
Frage 54
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The following is not an absolute dating technique:
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a. carbon 14
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b. potassium/ Argon
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c. stratigraphy
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d. all of the above
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e. a and b
Frage 55
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The AR model hypothesizes that Homo sapiens
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a. evolved recently as a species.
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b. evolved in Africa
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c. spread to replace more archaic populations
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d. all of the above
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e. none of the above
Frage 56
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The MRE origins model hypothesizes that Homo sapiens
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a. evolved
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b. evolved only in Africa
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c. all of the above
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d. none of the above
Frage 57
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The common prehensile ability that modern humans exhibit and share with our close relatives
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a. is a shared derived characteristic,
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b. come from the same ancient ancestor and serves the same basic function.
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c. all of the above
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d. none of the above
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