Download file to see previous pages Concepts of Phyletic Gradualism and Punctuated Equilibrium: The concept of phyletic gradualism was developed by Charles Darwin and supports the fact that the evolutionary process and speciation occurred gradually. On the other hand, the concept of punctuated equilibrium supports the fact that the process of evolution had been a rapid process and this concept.
The main difference between gradualism and punctuated equilibrium is that the gradualism is the selection and variation that occur in small increments whereas punctuated equilibrium is a radical change that occurs in a short period of time. Furthermore, gradualism helps to select better variations to the environment while punctuated equilibrium emphasizes consistent and cumulative changes to.
Punctuated equilibrium, as proposed by Gould and Eldredge in 1972, is a model of species evolution to counter the explanation of evolutionary change through phyletic gradualism, or the slow accumulation of novel adaptations over evolutionary time, culminating in the appearance of new species (speciation).
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They include phyletic gradualism and punctuated equilibrium. Scientists maintain that evolution can only happen as described by the theories (National Academy of Sciences 78). We will write a custom Assessment on Phyletic Gradualism and Punctuated Equilibrium Evolution Theory specifically for you.
Question: Compare and contrast phyletic gradualism and punctuated equilibrium.
Gradualism and Punctuated Equilibrium. I started researching this topic by skimming through my old (2003) textbook from my Human Evolution class that I took as an undergraduate. The authors make no mention of these two terms within the text.