What are the main features of the microevolutionary process?

It flows at the population level.
The habit of the digestive organs of rodents to poisons and chemicals of a new type.
Phyletic evolution is when changes affect the entire gene pool of a species.
There is a gradual development and improvement of almost all species of birds, fish, amphibians, animals.
Microevolution is an irreversible process.
In this process, the adaptation of species to the conditions of the surrounding world is formed.
Evolutionary developments and adaptations are not always expedient.

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