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Migration can negatively impact an ecosystem if the migration is permanent and leads to the loss of native species. Temporary migration, such as in the case of birds flying south in the winter, can maintain the biodiversity of an ecosystem. Microevolution, like migration, can aid the survival of native species.

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What is a true statement about microevolution and macroevolution?

Microevolution refers to small-scale changes in gene frequencies within a population over generations, while macroevolution involves large-scale evolutionary changes that lead to the formation of new species. Both processes are driven by genetic variation, natural selection, and other evolutionary mechanisms. Microevolution is the basis for macroevolution, as accumulated small changes can eventually result in the divergence of distinct species.


What is evolution in the smallest scale called?

Microevolution.


What is a microevolution?

Microevolution refers to small-scale changes in allele frequencies within a population over a short period of time. These changes can include factors such as genetic drift, mutations, natural selection, and gene flow within a population. Microevolution is responsible for the variation we see within species.


What is a difference between hibernation and migration?

Hibernation is remaining dormant in the same ecosystem. Migration is travelling to a differnet ecosystem. These are usually caused in the winter because of the drop in the climate's temperature.


What are the abiotic factors that could affect the stability of an ecosystem could include?

Abiotic factors that could affect the stability of an ecosystem include temperature, precipitation, soil quality, sunlight availability, and natural disasters like floods or wildfires. Changes in these factors can disrupt the balance of an ecosystem, leading to potential impacts on the organisms and their interactions within the ecosystem.