Evolution in a species due to ecosystem changes involves adaptations for survival, influencing biodiversity over time.
Evolution in a species as a result of a change in an ecosystem occurs through adaptations to survive environmental shifts. When a species faces new conditions like climate change or loss of a food source, individuals with advantageous traits will have a greater chance of survival and reproduction, passing down these traits to future generations.
This gradual change in the genetic makeup of a population over time is known as evolution. An example is the evolution of the Three-spined Stickleback, where subspecies emerged in response to environmental changes, showcasing how changes within a species can influence the ecosystem environment.
Moreover, the speciation and extinction processes continuously shape biodiversity levels through geological time, highlighting how environmental changes impact the number and variety of species present in an ecosystem.
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