Rates of Speciation
Presentation
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Science
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9th Grade
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Practice Problem
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Easy
+1
Standards-aligned
Kimberely Smith
Used 1+ times
FREE Resource
11 Slides • 8 Questions
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Multiple Choice
Which of the following statements best describes the rates of speciation?
Speciation always occurs at a constant rate.
Traits in species always change rapidly.
Evolution can have varying rates of change, with traits sometimes changing rapidly and sometimes remaining unchanged for long periods.
Speciation never involves unchanged traits.
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Multiple Choice
Which theory describes evolution as proceeding in small, gradual steps supported by fossil evidence?
Gradualism
Punctuated equilibrium
Catastrophism
Uniformitarianism
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Open Ended
Explain how fossil evidence supports the theory of gradualism.
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Multiple Choice
Which of the following best describes punctuated equilibrium?
Evolution occurs in rapid bursts followed by long periods of little change.
Evolution occurs in small, gradual steps over time.
All species evolve at the same rate.
Fossil records show no gaps.
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Fill in the Blanks
In the model of punctuated equilibrium, the 'Equilibrium' part is the ___, and the 'Punctuation' part is the ___ appearance.
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Multiple Choice
Which evolutionary theory views change as a slow and steady process, expecting to see a series of intermediate fossils bridging the gap between ancestor and descendant?
Gradualism
Punctuated Equilibrium
Catastrophism
Lamarckism
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Fill in the Blanks
According to gradualism, gaps in the fossil record are explained by
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Multiple Choice
How does natural selection contribute to the process of speciation?
By causing extinction of all species
By allowing only the strongest individuals to survive
By leading to the development of new species through evolutionary changes
By preventing any changes in species over time
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