However, the most common and encompassing term is evolution itself.
Here's a breakdown of what we call the different aspects of evolution:
* Evolutionary mechanisms: This refers to the specific forces that drive changes in a species over time. The most important ones are:
* Natural selection: The survival and reproduction of individuals with traits better suited to their environment.
* Genetic drift: Random changes in gene frequencies within a population, especially noticeable in small populations.
* Gene flow: The movement of genes between populations, which can introduce new traits and reduce genetic differences.
* Mutation: Changes in the DNA sequence, which can introduce new genetic variation.
* Evolutionary history: This refers to the study of the evolutionary relationships between species, including:
* Phylogeny: The evolutionary history of a species, often represented by a tree-like diagram.
* Speciation: The process by which new species arise, often through isolation and adaptation.
While evolution is the overarching term, it's helpful to be specific when describing the different *processes* involved in how a species evolves.
