Applied Behavior Analysis Technician (ABAT) Practice Test

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What does selectionism in biological terms imply?

  1. All forms of life evolve due to random chance

  2. All forms of life evolve as a result of selection with respect to function

  3. All forms of life are designed by a higher power

  4. All forms of life evolve without any external influences

The correct answer is: All forms of life evolve as a result of selection with respect to function

Selectionism in biological terms implies that evolution occurs as a result of selection processes that favor certain traits based on their functional advantages in an environment. This concept highlights how organisms with certain advantageous traits are more likely to survive and reproduce, leading to those traits becoming more common in subsequent generations. This process is driven by variations within a population and the impact of environmental pressures, shaping the adaptations of species over time. The correct answer aligns with the understanding that it is not just random chance that leads to the diversity of life but rather a systematic process where certain traits are selected based on their efficacy and contribution to survival in a particular environment. This principle forms the foundation of evolutionary biology, emphasizing that natural selection plays a crucial role in the evolution of species.