Yes, there is evidence that the process of evolution is still ongoing. Evolution is a continuous and dynamic process that occurs over long periods of time, and it is driven by various factors such as genetic mutations, natural selection, genetic drift, and gene flow.
While humans have seen significant cultural and technological advancements that have shaped our environment and lifestyle, we are still subject to evolutionary forces. However, the current pace of human evolution, particularly in terms of morphological changes, may be relatively slow compared to earlier periods.
There are a few reasons why the morphological evolution of humans may appear to have slowed down:
Cultural and Technological Adaptations: Humans have developed complex cultural practices and advanced technologies that have allowed us to adapt to various environments without relying solely on genetic changes. For example, we use clothing and shelter to regulate our body temperature instead of evolving thicker fur or changes in body shape.
Reduction in Selective Pressures: Modern societies provide relatively stable and supportive environments compared to the past. Many selective pressures that influenced human evolution, such as predation and disease, have been reduced due to advancements in medicine, sanitation, and safety measures.
Evolutionary Timescales: Observable changes in morphology typically occur over longer timescales, spanning thousands or even millions of years. Recorded human history is relatively short, and significant morphological changes may not be readily apparent in the span of a few centuries.
However, it is important to note that evolution is not solely driven by morphological changes. Humans continue to undergo genetic changes at the molecular level, including changes in gene frequencies and the occurrence of new mutations. Additionally, evolution can also occur in non-morphological aspects, such as behavioral and physiological adaptations.
In summary, while the pace of morphological changes in humans may appear slow, the evolutionary process is ongoing, driven by genetic variations and selective pressures. The current focus of human evolution may be more centered on cultural, social, and technological advancements, rather than solely on morphological changes.