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In: Biology

What is the Evolutionary Algorithm? (state it in one simple sentence). What are the three required...

What is the Evolutionary Algorithm? (state it in one simple sentence). What are the three required components of any evolutionary system?

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Expert Solution

Evolutionary Algorithm: It is an algorithm that perform optimization or learning tasks by the application of biological or natural principles of life to the study and design of human systems i.e., bionics for solving the problems is called Evolutionary algorithm.

Evolutionary Algorithm is also called as evolutionary computation or evolutionary intelligence. The principle of survival of the fittest is been applied in designing the algorithm. These are iterative algorithms that make the individuals of a population evolve over a number of generations.

The three required components of any evolutionary system are:

  1. Reproduction : For any system to evolve, reproducing an individual is must or else the species undergoes extinction. Reproduction helps in heritability of the varied characteristics.
  2. Variation : For the evolution of individuals, they have to undergo variations such that the characteristics doesnot remain the same between parent and offspring. This can be in the form of Genetic mutations by alterations in the genetic sequence and by changes phenotypically. Variations produce differing populations suitable for survival of the fittest for natural selection.
  3. Selective Pressure: There should exist some competition that selects the fittest individuals of a population in relation to their environment to survive. The struggle for existence such as the competition for resources, avoiding predation, adaptation to environmental changes will create pressure and make the species to evolve.


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