Fossils/Dating 2 Question Preview (ID: 38561)
Earth History Unit.
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What kind of rock do fossils most often form in?
a) igneous
b) sedimentary
c) gneiss
d) metamorphic
In undisturbed sedimentary rock layers, where are your oldest fossils normally found?
a) on the top layer
b) in the middle
c) in the bottom layer
d) they are never found.
Which body parts would are most likely to form a fossil?
a) bones, teeth, shells
b) skin
c) kidney
d) heart
Ice cores are used by scientists to determine...
a) types of animals living in a region
b) types of rocks that are in the area
c) past climates/atmosphere composition
d) ice cores do not exist
Which is part of the process of radioactive dating for determining the age of fossils?
a) using the carbon 14 isotope
b) observing the biozones of different species
c) studying the different types of inclusions found in rock formations
d) studying stratified bands of rocks
According to Darwin's theory of evolution, what causes the struggle for survival in populations?
a) Overproduction of offspring
b) Natural selection
c) Favorable heritable variations
d) Competition between the fittest individuals in the population
How can plate tectonics contribute to evolution?
a) Separating plates can divide groups of a population
b) The movement of plates forces some animals underground.
c) Volcanic eruptions can cause species to become extinct.
d) Radiation from plate tectonics can cause genetic change.
Which statement is true?
a) Adaptations are not common in a population.
b) Adaptations provide a benefit in any environment.
c) Adaptations provide a benefit in a specific environment.
d) Adaptations and natural selection are the same thing.
For a trait to be an adaptation, the trait must provide
a) a new feature for the organism
b) an improved function or advantage for the organism
c) a new environment
d) no change for the organism
Which of these is commonly used to support the theory of evolution?
a) similarities in DNA
b) fossil record shows changes over time
c) similarities in anatomical structure
d) all of the above
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