[2026] PTE Academic Reading - Multiple Choice, Multiple Answers

Biomimicry is an interdisciplinary field that seeks sustainable solutions by emulating nature’s time-tested patterns and strategies.The core idea is that nature, through billions of years of evolution, has already solved many of the problems humans currently face regarding energy, efficiency, and material strength.A classic example of biomimetic engineering is the development of the Japanese Shinkansen bullet train, whose front end was redesigned to mimic the beak of a kingfisher.This modification allowed the train to exit tunnels quietly and consume significantly less electricity by reducing air resistance.Similarly, the study of shark skin, which features microscopic ridges called denticles, has led to the creation of surfaces that inhibit the growth of bacteria without the use of toxic chemicals.These 'Sharklet' patterns are increasingly being applied in hospital settings to reduce the risk of cross-contamination and healthcare-associated infections.Beyond specific products, biomimicry encourages a circular economy where waste from one process becomes a resource for another, much like a natural ecosystem.However, translating biological principles into engineering realities is often hindered by the complexity of biological structures and the limitations of current manufacturing techniques.Integrating biological insights with advanced 3D printing and nanotechnology is currently a major focus for researchers in the field.As the world moves toward more sustainable industrial practices, biomimicry offers a roadmap for innovation that balances technological progress with environmental health.