20198249
Descrição
Quiz por heather kuebler, atualizado more than 1 year ago
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Criado por heather kuebler
aproximadamente 5 anos atrás
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Questão 1
Questão
Which burial environment would best promote fossilization
Responda
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burial soon after death by sediments or volcanic ash
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burial after defleshing of the bones by scavengers and insects
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burial in groundwater or acidic soils
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burial in a geologically active area with high ground pressure
Questão 2
Questão
Relative methods of dating can tell us
Responda
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the approximate numerical age of a fossil
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the exact numerical age of a fossil
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whether a fossil is older or younger than another fossil or artifact
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the amount of organic material remaining in a fossil
Questão 3
Questão
Radiometric and non-radiometric absolute dating methods both
Responda
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provide only a relative date
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provide a numerical date
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measure the radioactive decay of an unstable isotope
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determine past climate history through stable isotope analysis
Questão 4
Questão
What must be considered when choosing a radiometric dating method
Responda
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the half-life of an isotope limits its usefulness to a certain date range
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no radiometric dating methods can date organic materials
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no radiometric dating methods can date nonorganic materials
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fossils must be associated with another fossil to give a relative date
Questão 5
Questão
Stable isotope analysis of carbon in a fossilized tooth would be most useful for determining the
Responda
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relative age of the tooth compared to another fossil
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absolute age of the tooth
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temperature of the animal's environment
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types of plants consumed by the animal during life
Questão 6
Questão
The molecular clock has been useful to determine the phylogenetic relationships of species based on the assumption that
Responda
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a species lineage accumulates genetic differences over time at a constant rate.
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only some species are genetically related.
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DNA is preserved unchanged over long periods of time.
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species adapt at specific rates.
Questão 7
Questão
Igneous rock can be dated with which of the following methods?
Responda
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radiopotassium dating
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dendrochronology
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radiocarbon dating
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fluorine dating
Questão 8
Questão
Paleontologists find a fossil ape with long arms. What type of environment can they infer it inhabited?
Responda
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savanna
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woodland
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grassland
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swamp
Questão 9
Questão
Studies of temperatures during the Cenozoic era suggest that temperatures have ________ over time.
Responda
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steadily increased
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steadily decreased
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fluctuated, sometimes greatly,
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stayed basically the same
Questão 10
Questão
The continent that existed about 200 mya, from which the modern continents ultimately emerged, is called
Responda
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Eurasia.
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Afrinesia.
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Australasia.
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Pangaea.
Questão 11
Questão
A wooden tomb is discovered with a well-preserved mummy inside. Which of the following methods could be used to date the tomb MOST accurately?
Responda
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superposition
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electron spin resonance
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thermoluminescence
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dendrochronology
Questão 12
Questão
Which era saw the proliferation of mammals?
Responda
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Holocene
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Cenozoic
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Jurassic
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Mesozoic
Questão 13
Questão
A mummy is discovered whose tomb includes cloth, food, and other organic remains. What dating method would MOST likely be used to date the tomb?
Responda
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biostratigraphy
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carbon 14
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dendrochronology
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electron spin resonance
Questão 14
Questão
Crucial to creating a fossil record of a species is
Responda
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a living form of the fossil species.
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a good representation in the fossil record.
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the preservation of soft tissue such as muscle.
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the lack of dating; knowing the age of the fossil introduces biases.
Questão 15
Questão
A hearth is discovered with bone fragments in it. What method might be used to date the bone?
Responda
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dendrochronology
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electron spin resonance
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fission track
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amino acid
Questão 16
Questão
1. A stratigraphic layer in one location overwhelmingly represents one species, while the same species is discovered in a similar stratigraphic layer hundreds of kilometers away. Biostratigraphic dating method cannot be used to provide an estimate of age for this layer and this species.
Responda
- True
- False
Questão 17
Questão
Temperature estimated using any of several methods is not the most important variable in reconstructing ancient climate
Responda
- True
- False
Questão 18
Questão
Experts reconstruct the appearance of early hominids during life using known relationships between bone and tissue in living animals: layers of clay are built up until finally we can see the ancient face staring at us.
Responda
- True
- False
Questão 19
Questão
Taxonomy is the study of the processes that affect an organism’s remains after death.
Responda
- True
- False
Questão 20
Questão
The three eras that make up Earth history are: Pleistocene, Mesozoic, and Cenozoic
Responda
- True
- False
Questão 21
Questão
Most of the early hominin fossils discovered in Africa come from the eastern and southern parts of the continent because they didn't live anywhere else
Responda
- True
- False
Questão 22
Questão
William Smith was the English surveyor who developed the technique of stratigraphic correlation between regions.
Responda
- True
- False
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