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Overproduction, genetic variation, selection, and adaption
Overproduction, variation, selection, and adaptation
The question is semantically equivalent to asking 'What are the four parts of the existence of a banana?' I cannot answer it.
1. the animals are stupid duhhlol
Abiogenesis, or more commonly known as the origin of life itself, is not part of Darwin's theory of evolution.
The four stages are: Overproduction, Genetic Variation, Struggle to Survive, and Successful Reproduction
See the related answer below for an answer to this question.
- natural selection - sexual selection - genetic drift - immigration/emagration
Mutation, Natural Selection, Migration, and Genetic Drift.
overproduction: to many offspring and 3 others
There are four main tenets of Darwin's theory of evolution by natural selection. They are the idea that with each generation individuals are produced that can survive, the concept that phenotypic variation exists, those with heritable traits for a specific environment have the ability to survive in that environment, and the idea that new species form during reproductive isolation.
Natural selection occurs when four conditions are met: 1. There is variation among individuals. 2. That variation is at least partially heritable. 3. That variation is linked to differential reproductive success. 4. More individuals are born than can survive and reproduce.