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Explain how the following five mechanisms enable evolution to occur:

1. Descent with modification (survival of the fittest)
2. Non-random mating
3. Mutation
4. Genetic drift
5. Migration (gene flow)

Assignment Tasks:
A. Write a short essay on how these five mechanisms enable evolution to occur. Your essay should include:
- Title
- Introduction
- Body/Content
- Conclusion

Use the blank pages (6-7) for your essay.



Answer :

GinnyAnswer

Final answer:

Evolution mechanisms such as mutation, genetic drift, gene flow, and natural selection drive genetic variation and adaptation, shaping the diversity of life on Earth.


Explanation:

Evolution Mechanisms: How They Enable Change

Introduction: Evolution occurs through various mechanisms that act over generations. The key mechanisms include mutation, genetic drift, gene flow, and natural selection, enabling organisms to adapt to their environments.

Body/Content:

  1. Mutation: Introduces new genetic variation.
  2. Genetic Drift: Leads to random allele frequency changes.
  3. Gene Flow: Causes allele distribution shifts due to migration.
  4. Natural Selection: Favors beneficial traits, promoting survival and reproduction.

Conclusion: These forces of evolution interact to drive genetic variation and adaptation, shaping the diversity of life on Earth.


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