1. Fitness is, most correctly, a technical term. What does it mean? What two things do
you suppose govern the rate of evolution by natural selection? Explain how
Darwinian evolution can decrease and increase the frequency of an allele (or a more
complex heritable trait, for that matter).
Fitness is the condition of being physically fit and healthy. It is also known as an organism's ability to survive and reproduce in a particular environment.
Physical fitness refers to the ability of your body systems to work together efficiently to allow you to be healthy and perform activities of daily living. Being efficient means doing daily activities with the least effort possible.
Evolution is a process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of Earth.
Change in the genetic composition of a population during successive generations, often resulting in the development of new species. The mechanisms of evolution include natural selection acting on the genetic variation among individuals, mutation, migration, and genetic drift.
The two things that are important for the evolution to occur and natural selection-
1. The organism should survive in extreme conditions and can adapt faster than other organisms.
2. The organism should reproduce and produce more offsprings.
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