Biomimicry is the practice of looking to nature for inspiration to solve design problems. Shown below are plants and animals (top row: P kingfisher, Q humpback whale, R gecko, S burdock burr) that have inspired the design of products (bottom row: 1 wall-climbing gloves, 2 hook-and-loop fastener, 3 bullet train, 4 wind turbine). Which of the options listed below correctly identifies the plant and/or animal with the product that it inspired? [Figure: see page 18 of source PDF]