Without selective pressure,a species is at risk of experiencing

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Without selective pressure, a species may experience reductive evolution, meaning they may lose traits or abilities that are no longer necessary for survival or reproduction. Random mutation may still occur, but it may not lead to significant changes in the species unless there is environmental pressure for those mutations to provide an advantage. Natural selection would not occur without selective pressure, as it is the process by which advantageous traits are favored in a population due to selective pressure. Endosymbiosis is unrelated to selective pressure and refers to the process by which one organism lives inside another and both benefit.

Without Selective Pressure,a Species Is at Risk of Experiencing