Answer :
Final answer:
Natural selection and evolution are key processes that drive species' changes over time.
Explanation:
Natural Selection is the process by which biological variation, known as adaptations, becomes more common in a population over generations. Individuals with traits best suited for survival and reproduction in a particular environment are more likely to pass on these advantageous traits, leading to their prevalence in the population.
Evolution is the gradual change in species over time, dependent on genetic variation and natural selection. Through adaptations, organisms evolve to better fit their ecological niches, ensuring their survival and reproduction.
Adaptive traits can be structural, behavioral, or physiological, contributing to an organism's ability to maintain homeostasis and reproduce, ultimately shaping the diversity of species through evolution.
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